The Space Place :: Play Space Place Trivia!

Play Space Place Trivia!

In this game, we will give you a word or phrase, followed by three sentences that use the word or phrase, but only one sentence uses it correctly. Pick the correct sentence. The right answer will follow, along with a link to the page on The Space Place that explains the word or phrase.


Word:	Altimeter
Answer A:	The altimeter on our TV needs adjusting.
Answer B:	I fell off my bike and skinned my altimeter.
Answer C:	The plane's altimeter shows we are 5,500 feet above the ground.
Here's a hint, "Measures something."
And the answer is, C, The plane's altimeter shows we are 5,500 feet above the ground. To learn more, visit "Whip up some El Niño pudding!"


Word:	Antenna
Answer A:	The spacecraft's antenna points toward Earth to send its data home.
Answer B:	If I don't antenna my dog each week, she gets fleas.
Answer C:	I antenna do my homework before dinner.
Here's a hint, "Good for communication."
And the answer is, A, The spacecraft's antenna points toward Earth to send its data home. To learn more, visit "What do you think is . . ."


Word:	Asteroid
Answer A:	The Deep Space 1 spacecraft flew close by an asteroid and collected bonus scientific information.
Answer B:	Because of his asteroid, Grandpa can't sit for a long time.
Answer C:	The battery asteroid dried up and now the car won't start.
Here's a hint, "Like a rock."
And the answer is, A, The Deep Space 1 spacecraft flew close by an asteroid and collected bonus scientific information. To learn more, visit "Make Asteroids You Can Eat!"


Word:	Barycenter
Answer A:	Little Jamie still needs a barycenter when her parents go out.
Answer B:	We shop for fruit at the barycenter.
Answer C:	Jupiter and the Sun orbit their common barycenter.
Here's a hint, "Where gravity meets gravity."
And the answer is, C, Jupiter and the Sun orbit their common barycenter. To learn more, visit "What's a Barycenter?"


Word:	Binary
Answer A:	When Sam gets a cold, it often turns into a binary infection.
Answer B:	Spacecraft and computers use the binary number system.
Answer C:	Race horses can hurt their binary tendons if they don't warm up before a race.
Here's a hint, "To be, or not to be."
And the answer is, B, Spacecraft and computers use the binary number system. To learn more, visit "How do we talk to machines?"


Word:	Cirrus
Answer A:	Grandma ran away and joined the cirrus when she was 15.
Answer B:	Dad likes to cirrus the steaks on the barbecue.
Answer C:	Thin, wispy cirrus clouds are spread across the sky today.
Here's a hint, "High fliers."
And the answer is, C, Thin, wispy cirrus clouds are spread across the sky today. To learn more, visit "Cloudspeak"


Word:	Cloudsat
Answer A:	It was so dry, the slightest breeze kicked up a cloudsat.
Answer B:	Cloudsat is a satellite to study Earth's clouds.
Answer C:	We cloudsat on all the mattresses, trying to decide which to buy.
Here's a hint, "To see from the other side."
And the answer is, B, Cloudsat is a satellite to study Earth's clouds. To learn more, visit "Let's Find Out More About Clouds!"


Word:	Comet
Answer A:	Riding in the back seat on a mountain road makes me comet.
Answer B:	When my dog gets this excited I have to comet.
Answer C:	Comet Hale-Bopp had two beautiful tails.
Here's a hint, "Icy visitors to the neighborhood."
And the answer is, C, Comet Hale-Bopp had two beautiful tails. To learn more, visit "Landing on Mystery Stuff"


Word:	Compression
Answer A:	I'm afraid I didn't make a very good compression on the new teacher.
Answer B:	The Earth Observing 3 satellite is testing new methods of data compression.
Answer C:	My little cousin asks a lot of silly compressions.
Here's a hint, "Squish it."
And the answer is, B, The Earth Observing 3 satellite is testing new methods of data compression. To learn more, visit "Honey, I Shrunk The Data!"


Word:	Contrails
Answer A:	Mama put my hair into contrails this morning.
Answer B:	Look at the pretty contrails crossing the sky.
Answer C:	Jimmy and I like to make contrails through the forest.
Here's a hint, "Cumulus, cirrus, Airbus."
And the answer is, B, Look at the pretty contrails crossing the sky. To learn more, visit "Cloudspeak"


Word:	Cumulonimbus
Answer A:	Diamonds are formed from cumulonimbus rocks.
Answer B:	Those cumulonimbus clouds look very threatening.
Answer C:	I saw a giant cumulonimbus bird at the zoo.
Here's a hint, "Fluffy, not feathery."
And the answer is, B, Those cumulonimbus clouds look very threatening. To learn more, visit "Cloudspeak"


Word:	Cumulus
Answer A:	You should cumulus some money for a rainy day.
Answer B:	Please don't put any cumulus in my salad.
Answer C:	Those cumulus clouds are a good sign for our picnic today.
Here's a hint, "Floating, but not from rain."
And the answer is, C, Those cumulus clouds are a good sign for our picnic today. To learn more, visit "Cloudspeak"


Word:	Deep Space Network
Answer A:	Our basement has a deep space network of spider webs.
Answer B:	The Deep Space Network has huge antennas that detect very weak spacecraft signals.
Answer C:	My favorite science fiction program appears on the Deep Space Network on Saturday mornings.
Here's a hint, "Pointing up as the world turns."
And the answer is, B, The Deep Space Network has huge antennas that detect very weak spacecraft signals. To learn more, visit "What do you think is . . ."


Word:	El Niño
Answer A:	My aunt just bought a sporty new El Niño convertible.
Answer B:	The heavy rain we got a couple of years ago was due to El Niño.
Answer C:	Don't even talk to my Mom until she's had her first cup of El Niño.
Here's a hint, "Blame the ocean."
And the answer is, B, The heavy rain we got a couple of years ago was due to El Niño. To learn more, visit "Whip up some El Niño pudding!"


Word:	E-nose
Answer A:	Jill sent 20 e-mail invitations to her party, and received 15 e-yeses and 5 e-nose.
Answer B:	E-nose smells better than even a dog nose.
Answer C:	Only I know and e-nose the secret.
Here's a hint, "Knows a rose."
And the answer is, B, E-nose smells better than even a dog nose. To learn more, visit "Let's Get Nosey!"


Word:	Evaporate
Answer A:	The quiz will evaporate how well the students have learned the lesson.
Answer B:	The fire was getting so close to the town that the people had to evaporate.
Answer C:	Water from the ground, rivers, and lakes will evaporate to make clouds.
Here's a hint, "Oh, dry up."
And the answer is, C, Water from the ground, rivers, and lakes will evaporate to make clouds. To learn more, visit "Let's Find Out More About Clouds!"


Word:	Galaxy
Answer A:	Our solar system is part of the Milky Way galaxy.
Answer B:	I like going to the art galaxy to look at paintings.
Answer C:	Our car broke down on the freeway when it blew a galaxy.
Here's a hint, "Billions of points."
And the answer is, A, Our solar system is part of the Milky Way galaxy. To learn more, visit "Make a Galactic Mobile"


Word:	Geostationary orbit
Answer A:	The GOES environmental satellites hover over one place on Earth in geostationary orbit.
Answer B:	The geostationary roof didn't even keep the rain out.
Answer C:	Ms. Twinkletoes says we have to write our letters on geostationary.
Here's a hint, "Stuck on geography."
And the answer is, A, The GOES environmental satellites hover over one place on Earth in geostationary orbit. To learn more, visit "Orbits 'R' Us!"


Word:	Gravitational waves
Answer A:	While surfing, I kept getting knocked over by gravitational waves.
Answer B:	If scientists can detect gravitational waves, they will learn new things about black holes.
Answer C:	The football fans did gravitational waves.
Here's a hint, "Did you disturb my space?"
And the answer is, B, If scientists can detect gravitational waves, they will learn new things about black holes. To learn more, visit "LISA Space Mission Gives Humans a Sixth Sense"


Word:	Greenhouse gas
Answer A:	Al's big, fast new car is a greenhouse gas guzzler.
Answer B:	Gardeners need greenhouse gas to run their lawnmowers and leaf blowers.
Answer C:	Many scientists are worried that greenhouse gases in the atmosphere are causing Earth to get warmer.
Here's a hint, "Because air is like glass."
And the answer is, C, Many scientists are worried that greenhouse gases in the atmosphere are causing Earth to get warmer. To learn more, visit "The Nine-eyed MISR"


Word:	Helios
Answer A:	The Helios airplane flew higher than any other airplane has ever flown.
Answer B:	We dug up helios clams on the beach in Oregon.
Answer C:	I prefer helios sauce on my spaghetti, rather than tomato sauce.
Here's a hint, "Reach for the Sun."
And the answer is, A, The Helios airplane flew higher than any other airplane has ever flown. To learn more, visit "Sun-powered Wing Brushes Against Space!"


Word:	Hyperion
Answer A:	The Hyperion camera is so sensitive to color that it can tell a pine tree from a maple tree from space.
Answer B:	At my swimming lesson today, I learned to do the hyperion stroke.
Answer C:	My little brother's teacher says he has hyperion disorder.
Here's a hint, "Picky about greens."
And the answer is, A, The Hyperion camera is so sensitive to color that it can tell a pine tree from a maple tree from space. To learn more, visit "Telling a Pine from a Maple ... from Space!"


Word:	Infrared
Answer A:	The ASTER instrument on the Terra satellite sees Earth in the infrared part of the spectrum.
Answer B:	The smog made my eyes infrared.
Answer C:	I infrared that book last year.
Here's a hint, "Red beyond red."
And the answer is, A, The ASTER instrument on the Terra satellite sees Earth in the infrared part of the spectrum. To learn more, visit ""


Word:	Interferometer
Answer A:	An interferometer measures how often a professional baseball game is cancelled because of rain.
Answer B:	Gina gets angry when she is studying and her little sister interferometers.
Answer C:	Spitzer is a telescope that sees the universe in infrared.
Here's a hint, "Teamwork is the key."
And the answer is, C, Spitzer is a telescope that sees the universe in infrared. To learn more, visit "Making the Biggest Telescopes Even Bigger"


Word:	Launch window
Answer A:	Deep Space 1 blasted off during the perfect launch window to send it in the right direction.
Answer B:	I plan to watch the rocket blast off through the launch window.
Answer C:	Adam works at the launch window of a drive-thru fast food place.
Here's a hint, "It's about time."
And the answer is, A, Deep Space 1 blasted off during the perfect launch window to send it in the right direction. To learn more, visit "Launch a "Rocket" from a Spinning "Planet""


Word:	Lenticular
Answer A:	That lenticular cloud looks like a flying saucer.
Answer B:	Mom served lenticular soup again last night, even though she knows I don't like it.
Answer C:	In the bike race, Lance rode lenticulars around the rest of us.
Here's a hint, "Shaped like a lens."
And the answer is, A, That lenticular cloud looks like a flying saucer. To learn more, visit "Cloudspeak"


Word:	Lithium ion
Answer A:	The Space Technology 5 mission tested how well Lithium ion batteries work in space.
Answer B:	My sister's boyfriend gave her a lithium ion ring.
Answer C:	Our swimming pool has a new lithium ion pump.
Here's a hint, "Just charge it."
And the answer is, A, The Space Technology 5 mission tested how well Lithium ion batteries work in space. To learn more, visit "Space Batteries!"


Word:	Mars
Answer A:	If you break the law, you will end up behind mars.
Answer B:	I am a pretty good gymnast, especially on the parallel mars.
Answer C:	NASA is planning missions to find out if there is or was life on Mars.
Here's a hint, "Know your neighbors."
And the answer is, C, NASA is planning missions to find out if there is or was life on Mars. To learn more, visit "Is there life on Mars?"


Word:	Momentum
Answer A:	I will be back in a momentum.
Answer B:	I would like to take this rock home as a momentum of my trip.
Answer C:	The train had so much momentum coming down the hill that it couldn't even stop at the train station.
Here's a hint, "Bigger ones have more."
And the answer is, C, The train had so much momentum coming down the hill that it couldn't even stop at the train station. To learn more, visit "How Does the Newtonian Physics Machine Work?"


Word:	Navigate
Answer A:	Close the navigate so the dog won't get out.
Answer B:	My Grandpa is a farmer and must navigate his crops to make them grow.
Answer C:	The Deep Space 1 spacecraft was the first one ever to navigate through the solar system all by itself.
Here's a hint, "Need a pointer?"
And the answer is, C, The Deep Space 1 spacecraft was the first one ever to navigate through the solar system all by itself. To learn more, visit "Big Brains on a Little Chip!"


Word:	Orbit
Answer A:	A satellite in orbit is really falling toward Earth.
Answer B:	When my Great-grand-daddy died, there was an orbit in the newspaper.
Answer C:	At the zoo, I saw a monkey in an orbit tree.
Here's a hint, "A super-hero baseball pitcher could put one here. "
And the answer is, A, A satellite in orbit is really falling toward Earth. To learn more, visit "Shoot a Cannonball into Orbit!"


Word:	Precipitation
Answer A:	Julie is not a morning person and has a terrible precipitation when she wakes up.
Answer B:	We haven't had much precipitation this year, so everything is very dry.
Answer C:	When I play soccer on a hot day, I come home soaked in precipitation.
Here's a hint, "An umbrella might be needed."
And the answer is, B, We haven't had much precipitation this year, so everything is very dry. To learn more, visit "Let's Find Out More About Clouds!"


Word:	Saturn
Answer A:	Lizzie's wedding dress is made of white saturn.
Answer B:	I could see the beautiful rings of Saturn through the telescope at the planetarium.
Answer C:	I can't cut out a perfect circle without a saturn.
Here's a hint, "Sky jewel."
And the answer is, B, I could see the beautiful rings of Saturn through the telescope at the planetarium. To learn more, visit "Why does Saturn have rings?"


Word:	Telescope
Answer A:	SIRTF is a telescope that will see the universe in infrared light.
Answer B:	Please don't telescope my secret!
Answer C:	If you look at this drop of water under a telescope, you will see tiny life forms.
Here's a hint, "Far-seeing."
And the answer is, A, SIRTF is a telescope that will see the universe in infrared light. To learn more, visit "How to See Heat"


Word:	Terra
Answer A:	The Terra satellite is carrying five instruments to study Earth.
Answer B:	I am afraid I will terra my pants walking between those rose bushes.
Answer C:	My favorite lunch is terra me soup.
Here's a hint, "We stand on terra firma."
And the answer is, A, The Terra satellite is carrying five instruments to study Earth. To learn more, visit "The Nine-eyed MISR"


Word:	Tides
Answer A:	Jupiter's moon Io suffers strong tides because of Jupiter's gravity.
Answer B:	Nicholas likes to wear flashy tides.
Answer C:	It is high tide you listened to my advice!
Here's a hint, "Push and pull."
And the answer is, A, Jupiter's moon Io suffers strong tides because of Jupiter's gravity. To learn more, visit "High Tide on Io!"


Word:	Topographical
Answer A:	The Shuttle Radar Topography Mission gathered enough data to make a topographical map of the whole world.
Answer B:	Kirby comes from a large, topographical family.
Answer C:	My brother plays in a great topographical band.
Here's a hint, "Lots of ups and downs."
And the answer is, A, The Shuttle Radar Topography Mission gathered enough data to make a topographical map of the whole world. To learn more, visit "Make a Topographic Map!"


Word:	Transponder
Answer A:	Her mother didn't understand English, so Lilly had to be a transponder.
Answer B:	The transponder on a spacecraft converts data from the instruments to a signal that is beamed back to Earth and also helps in measuring the spacecraft's distance and speed.
Answer C:	After his operation, he had to have a blood transponder.
Here's a hint, "Makes waves."
And the answer is, B, The transponder on a spacecraft converts data from the instruments to a signal that is beamed back to Earth and also helps in measuring the spacecraft's distance and speed. To learn more, visit "Codes and Decodes: Or, How to Yell Across a Solar System"


Word:	Vacuum
Answer A:	When you change the baby's diaper, put some vacuum on her so she doesn't get a rash.
Answer B:	Poor Mr. Slogbottom walks stooped over because of his old vacuum injury.
Answer C:	The New Millennium Program wants to find out how well new technologies work in the vacuum of space.
Here's a hint, "Nothing to worry about."
And the answer is, C, The New Millennium Program wants to find out how well new technologies work in the vacuum of space. To learn more, visit "What makes the can collapse, Dr. Millie?"


Word:	Xenon
Answer A:	Tyler goes to the beauty xenon to get her hair cut.
Answer B:	I wish I were more like Xenon, the Warrior Princess.
Answer C:	Deep Space 1 used xenon to fuel its ion engine.
Here's a hint, "It's elemental, Watson!"
And the answer is, C, Deep Space 1 used xenon to fuel its ion engine. To learn more, visit "Ions in Action"


Word:	Prism
Answer A:	The bank robber went to prism for 10 years.
Answer B:	The prism in my watch is the part that keeps time.
Answer C:	A prism separates white light into all the colors of the rainbow.
Here's a hint, "Oil floating on water can also do this."
And the answer is, C, A prism separates white light into all the colors of the rainbow. To learn more, visit "Why is the Sky Blue?"


Word:	Constellation
Answer A:	I didn't win the contest, but I got a constellation prize.
Answer B:	My favorite constellation, Orion, is easiest to see in winter.
Answer C:	I received many constellation cards when my grandmother died.
Here's a hint, "Things are looking up."
And the answer is, B, My favorite constellation, Orion, is easiest to see in winter. To learn more, visit "Make a Star Finder"


Word:	Aerogel
Answer A:	My brother smears aerogel on his spikey hair style.
Answer B:	The block of aerogel looked like a cube of smoke.
Answer C:	I love peanut butter and aerogel sandwiches.
Here's a hint, "Solid, but doesn’t look it."
And the answer is, B, The block of aerogel looked like a cube of smoke. To learn more, visit "Ode to Aerogel!"


Word:	Astrology
Answer A:	Astrology believers look for their fortune in the stars.
Answer B:	The runner rubbed astrology on her feet to avoid blisters.
Answer C:	Timmy’s astrology bat helped him hit more balls.
Here's a hint, "It’s about sharing."
And the answer is, A, Astrology believers look for their fortune in the stars. To learn more, visit "What's Your Sign?"


Word:	Black hole
Answer A:	The gravity near a black hole is so strong it can pull gases from a nearby star.
Answer B:	This huge black hole machine drills for oil.
Answer C:	A large canyon under the ocean is called a black hole.
Here's a hint, "Lots of matter in a very small space."
And the answer is, A, The gravity near a black hole is so strong it can pull gases from a nearby star. To learn more, visit "Black Hole Rescue!"


Word:	Conduction
Answer A:	My soup bowl was too hot to carry because of conduction.
Answer B:	Don’t forget to write your name at the top of the conduction.
Answer C:	After eating spicy food, Mom always gets a case of conduction.
Here's a hint, "Move that heat."
And the answer is, A, My soup bowl was too hot to carry because of conduction. To learn more, visit ""


Word:	Convection
Answer A:	Ben’s dad went to a convection in Las Vegas.
Answer B:	We have a cordless convection telephone.
Answer C:	The fireplace warms our living room through convection.
Here's a hint, "Works in air or water."
And the answer is, C, The fireplace warms our living room through convection. To learn more, visit "Beat the Heat!"


Word:	Cyclone
Answer A:	Mom says my room looks as if a cyclone went through it.
Answer B:	Yesterday, I was so tired I took a long cyclone.
Answer C:	Do you want your ice cream in a dish or a cyclone?
Here's a hint, "Windy and messy."
And the answer is, A, Mom says my room looks as if a cyclone went through it. To learn more, visit "How Do Hurricanes Form?"


Word:	Dust devil
Answer A:	Dust devils like to steal fairy dust and make the fairies cry.
Answer B:	Margie must wear her dust devils to see her plate.
Answer C:	As we drove across the desert, we saw lots of dust devils.
Here's a hint, "Mini-tornado."
And the answer is, C, As we drove across the desert, we saw lots of dust devils. To learn more, visit "Planet X-treme Weather"


Word:	Ecosphere
Answer A:	I want one of those ecospheres that can tell your fortune.
Answer B:	Humans are disturbing the balance of Earth’s ecosphere.
Answer C:	A car ran over my ecosphere when it rolled into the street.
Here's a hint, ""
And the answer is, B, Humans are disturbing the balance of Earth’s ecosphere. To learn more, visit "Recipe for an EcoSphere®"


Word:	Electromagnetic spectrum
Answer A:	The electromagnetic spectrum includes light we can see and light we cannot see.
Answer B:	The magician waved his magic electromagnetic spectrum.
Answer C:	Joe was bitten by a wild electromagnetic spectrum.
Here's a hint, "Why we need different kinds of telescopes."
And the answer is, A, The electromagnetic spectrum includes light we can see and light we cannot see. To learn more, visit "Cosmic Colors"


Word:	Energy
Answer A:	Mr. Snapcrackle had an energy replacement operation.
Answer B:	Electricity, gasoline, sunshine, and food all contain energy.
Answer C:	Grandma makes the best chocolate energy in the world.
Here's a hint, "It takes many different forms."
And the answer is, B, Electricity, gasoline, sunshine, and food all contain energy. To learn more, visit "Power Up with Tortillas!"


Word:	Evolution
Answer A:	That factory’s smokestack puts out too much evolution.
Answer B:	Evolution is the process of plants and animals changing over time.
Answer C:	The farmer plowed 60 evolutions in a day.
Here's a hint, "Happens to living things."
And the answer is, B, Evolution is the process of plants and animals changing over time. To learn more, visit ""Emoticonstructor" at Your Service!"


Word:	Gravity
Answer A:	Earth goes around the Sun because of gravity.
Answer B:	My dentist found a new gravity during my last exam.
Answer C:	The parking lot was covered with gravity.
Here's a hint, "You can’t see it directly."
And the answer is, A, Earth goes around the Sun because of gravity. To learn more, visit "LISA Space Mission Gives Humans a Sixth Sense"


Word:	Hurricane
Answer A:	Weather satellites help warn people about hurricanes heading their way.
Answer B:	Before electricity, lamps burned hurricane.
Answer C:	We took a wide-bodied hurricane to Miami.
Here's a hint, "It might blow you away."
And the answer is, A, Weather satellites help warn people about hurricanes heading their way. To learn more, visit "How Do Hurricanes Form?"


Word:	Ion
Answer A:	You had better keep your ion that baby.
Answer B:	Ions are fiercer than tigers.
Answer C:	When you rub a balloon on your hair, you put negative ions on the balloon.
Here's a hint, "They may be positive."
And the answer is, C, When you rub a balloon on your hair, you put negative ions on the balloon. To learn more, visit "Ions in Action"


Word:	Ion engine
Answer A:	We have an ion engine that my dad uses to sharpen knives.
Answer B:	The Dawn spacecraft has ion engines that get excellent "gas" mileage.
Answer C:	Aunt Judy plays the ion engine in our city’s orchestra.
Here's a hint, "It will go far."
And the answer is, B, The Dawn spacecraft has ion engines that get excellent "gas" mileage. To learn more, visit "Professor Starr’s Dream Trip . . ."


Word:	Landsat
Answer A:	The rocket car was fast enough to beat the Landsat speed record.
Answer B:	The new pilot Landsat the airplane perfectly.
Answer C:	The images of Earth taken by Landsat are like works of art.
Here's a hint, ""Sat" is short for something."
And the answer is, C, The images of Earth taken by Landsat are like works of art. To learn more, visit "Be Spuzzled!"


Word:	Laser
Answer A:	I have a new leather laser to wear on cold mornings.
Answer B:	Laser light does not exist in nature.
Answer C:	My dad shaves with an old-fashioned laser.
Here's a hint, "Invention with many uses."
And the answer is, B, Laser light does not exist in nature. To learn more, visit "What is a laser?"


Word:	Lens
Answer A:	Margaret decided to give up chocolate for lens.
Answer B:	We really need a new garden lens to water the plants.
Answer C:	The lens for this telescope is very thick.
Here's a hint, "Keeping focused."
And the answer is, C, The lens for this telescope is very thick. To learn more, visit "Solve the Riddle of Hidden Planets"


Word:	Light-year
Answer A:	Wait until you are going 20 miles per hour before you shift out of light-year.
Answer B:	My grandma is on a diet, so she ordered a light-year.
Answer C:	A light-year is how far light can travel in one year.
Here's a hint, "A long, long distance."
And the answer is, C, A light-year is how far light can travel in one year. To learn more, visit "How Old Do I Look?"


Word:	Migrate
Answer A:	My poor Aunt June gets awful migrate headaches.
Answer B:	Geese migrate thousands of miles every year.
Answer C:	In that neighborhood, everyone puts migrates over their windows.
Here's a hint, "Follow the food."
And the answer is, B, Geese migrate thousands of miles every year. To learn more, visit "Play Migration Concentration!"


Word:	Oort Cloud
Answer A:	That big Oort Cloud burns way too much gas.
Answer B:	The Oort Cloud is home to many comets.
Answer C:	Mr. and Mrs. Blue vacationed at a resort in the Oort Cloud.
Here's a hint, "Beyond Pluto."
And the answer is, B, The Oort Cloud is home to many comets. To learn more, visit "Tails of Wonder!"


Word:	Pixel
Answer A:	This photo is made of millions of pixels.
Answer B:	I’d love a big dill pixel with my sandwich.
Answer C:	Little Natalie believes the fuzz balls under her bed are pixel dust.
Here's a hint, "Short for "picture element.""
And the answer is, A, This photo is made of millions of pixels. To learn more, visit "Play Pixel This!"


Word:	Radar
Answer A:	Using radar from space, we can make 3-D maps of Earth.
Answer B:	I was late getting radar for school this morning.
Answer C:	Larry plays a radar phone in the high school marching band.
Here's a hint, "Can measure height of mountains."
And the answer is, A, Using radar from space, we can make 3-D maps of Earth. To learn more, visit ""See" Inside a Closed Box!"


Word:	Radiation
Answer A:	If you want to stay at that hotel, you need a radiation.
Answer B:	Radiation from the Sun feels warm on my face, even on a cold day.
Answer C:	At our family reunion, I saw all my radiations.
Here's a hint, "Energy traveling in space."
And the answer is, B, Radiation from the Sun feels warm on my face, even on a cold day. To learn more, visit "Beat the Heat!"


Word:	Robot
Answer A:	A robot can do work where people cannot.
Answer B:	If you buy this TV, the store will give you an instant robot.
Answer C:	The Space Shuttle was launched into Earth robot.
Here's a hint, "Needs no break for recess."
And the answer is, A, A robot can do work where people cannot. To learn more, visit "Stump Your Friends with Your Mosaic Robot Puzzle!"


Word:	Rocket
Answer A:	I need a smaller rocket wrench to fix my bike.
Answer B:	The rocket boosted the spacecraft into Earth orbit.
Answer C:	She plugged the toaster into the only wall rocket in the kitchen.
Here's a hint, "Fast transportation."
And the answer is, B, The rocket boosted the spacecraft into Earth orbit. To learn more, visit "Build a Bubble-Powered Rocket!"


Word:	Solar cell
Answer A:	The solar cells on your skin turn darker in the sun.
Answer B:	The solar cells in the county jail face west.
Answer C:	The solar cells on the spacecraft convert sunlight to electricity.
Here's a hint, "Power makers."
And the answer is, C, The solar cells on the spacecraft convert sunlight to electricity. To learn more, visit "The Three Little Piggy-back Satellites"


Word:	Solar sail
Answer A:	Someday solar sails may be used to push spacecraft to faraway destinations.
Answer B:	I saw a flock of solar sails fly over on their way south.
Answer C:	We installed solar sails on our roof to heat our swimming pool.
Here's a hint, "Work like sails on a boat."
And the answer is, A, Someday solar sails may be used to push spacecraft to faraway destinations. To learn more, visit "Slinky® in Space!"


Word:	Space weather
Answer A:	The car would not start because of a bad space weather.
Answer B:	The airplane hangar is so big it has its own space weather.
Answer C:	Earth’s magnetic field protects us from harmful space weather.
Here's a hint, "Earth is in it."
And the answer is, C, Earth’s magnetic field protects us from harmful space weather. To learn more, visit "Uh-oh! Solar Indigestion!"


Word:	Spinoffs
Answer A:	The ball had too much spinoff for him to hit it.
Answer B:	Our washing machine quit during its final spinoff.
Answer C:	Smoke detectors and edible toothpaste are space program spinoffs.
Here's a hint, "Technology has many uses."
And the answer is, C, Smoke detectors and edible toothpaste are space program spinoffs. To learn more, visit "Play the Spinoffs Memory Game"


Word:	Star
Answer A:	The brightest star in the constellation Orion is a red giant.
Answer B:	I stepped on a star and twisted my ankle.
Answer C:	I can’t find the right star to open the door.
Here's a hint, "Come on now, you don’t need a hint!"
And the answer is, A, The brightest star in the constellation Orion is a red giant. To learn more, visit "How hot can a star be? (and other star questions)"


Word:	Stereo vision
Answer A:	With two eyes we have stereo vision.
Answer B:	Superman’s stereo vision let him leap tall buildings at a single bound.
Answer C:	That song sounds great in stereo vision.
Here's a hint, "See what we mean?"
And the answer is, A, With two eyes we have stereo vision. To learn more, visit "Be glad you're not a cyclops!"


Word:	Sunspot
Answer A:	Through this special telescope you can see three sunspots.
Answer B:	This brand new shirt is covered with sunspots.
Answer C:	Meet me at the sunspot where we met yesterday.
Here's a hint, "Never, never look directly!"
And the answer is, A, Through this special telescope you can see three sunspots. To learn more, visit "A Cool Sun for Cool Music?"


Word:	Tsunami
Answer A:	At the Japanese restaurant, I had tsunami for dessert.
Answer B:	The earthquake under the ocean caused a giant tsunami.
Answer C:	Tsunami I must get ready for bed.
Here's a hint, "A huge wave."
And the answer is, B, The earthquake under the ocean caused a giant tsunami. To learn more, visit "Getting the Right Angle on the Story"


Word:	Ultraviolet
Answer A:	We cannot see ultraviolet light with our eyes.
Answer B:	The tent leaked because the ultraviolet was not sealed.
Answer C:	We dyed two of the Easter eggs a lovely shade of ultraviolet.
Here's a hint, "We are so limited!"
And the answer is, A, We cannot see ultraviolet light with our eyes. To learn more, visit "Where Stars are Born"


Word:	Vector
Answer A:	Peach vector is her favorite drink.
Answer B:	My brother vectors me so much I have to lock myself in the bathroom.
Answer C:	The wind vector was 5 miles per hour out of the north-northeast.
Here's a hint, "Amount and direction."
And the answer is, C, The wind vector was 5 miles per hour out of the north-northeast. To learn more, visit "Vec->Touring"


Word:	Zodiac
Answer A:	The carpenter used a zodiac to make sure the table top was level.
Answer B:	My grandfather had to have zodiac surgery.
Answer C:	The Sun is now in the Virgo constellation of the zodiac.
Here's a hint, "Think of stars."
And the answer is, C, The Sun is now in the Virgo constellation of the zodiac. To learn more, visit "What's Your Sign?"