Term
| How many stars are in our sky? |
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Definition
| There are billions of stars in our sky. |
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Term
| About how many stars can you see with just your eyes? |
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Definition
| You can see about 2,000 stars using just your eyes. |
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Term
| What tools can you use to see into space? |
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Definition
| You can see into space with binoculars or a telescope. |
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Term
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Definition
| Stars are huge balls of hot gases. |
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Term
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Definition
| Stars use their gases to make heat and light. |
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Term
| What do we call the group of stars in our sky? |
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Definition
| We call the group of stars we see in the sky "The Milky Way" |
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Term
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Definition
| Light comes from the stars in straight lines. When the light gets to Earth, it must pass through layers of air that are around the Earth. The air makes the light bend. |
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Term
| What is the layer of are around our Earth called? |
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Definition
| The layer of air around our Earth is called our atmosphere. |
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Term
| Put is size order, greatest to smallest. Sun, Moon, Earth |
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Definition
| Sun is the largest, Earth is the second largest, and the moon is the smallest. |
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Term
| How long does it take the Earth to travel around the sun? |
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Definition
| The Earth travels around the sun in one year. |
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Term
| Why can we see the sun but seldom see other stars during the day? |
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Definition
| Stars are always in the sky. Our sun makes so much light, it hides the other stars in the daytime. |
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Term
| The sun gives us energy in what forms? |
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Definition
| The sun gives us energy in the form of heat and light. |
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Term
| Without the energy of sunlight, what would happen to the Earth? |
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Definition
| The earth would be frozen and lifeless. |
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Term
| Why do plants need sunlight? |
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Definition
| Plants need the sunlight so they can make food and oxygen. |
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Term
| Why is a moon called a satellite? |
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Definition
| The moon is called a satellite because it |
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Term
| How long does it take the moon to orbit around the Earth? |
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Definition
| It takes the moon about 29 days (one month) to orbit around Earth. |
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Term
| What are the big holes on the moon called and where to they come from? |
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Definition
| The big holes are called craters. Craters are made when space rock hits the moon. |
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Term
| If the moon doesn't make it's own light, how can we see it? |
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Definition
| We see it because it reflects light from the sun. |
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Term
| How long is a day on the moon? |
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Definition
| The moon turns so slowly that a day is two weeks long. |
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Term
| What is the weather like on the moon and why? |
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Definition
| During the daytime the moon is very hot. It is hotter than boiling water. This is because there is no air to protect the moon from the hot sunlight. At night, the moon gets very cold. It is much colder than freezing. This is because there is no air to hold heat on the moon. |
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Term
| How many men have walked on the moon? |
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Definition
| Twelve men have gone to the moon. |
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Term
| How long does it take Earth to make one turn on its axis? |
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Definition
| It makes one turn on its axis every 24 hours. |
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Term
| How often does the earth revolve around the sun? |
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Definition
| It revolves around the sun once every year. |
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Term
| Does the sun move across the sky? Why or why not? |
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Definition
| The sun seems to move across the sky during the day. It is really the Earth's spinning that causes this to happen. |
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Term
| How long are days on the moon? |
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Definition
| The moon spins very slowly, so days and nights are two weeks long. |
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Term
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Definition
| The equator is an imaginary line around the middle of our planet. It divides the Earth in half. |
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