|
 How are earth and moon alike? | They are made of rock. |
| What are the three main types of landforms that make up the moon's surface? | highland, craters, and marias |
| What program were the first Americans sent into space? | Mercury |
| What was the first artificial satellite launched into space? | Sputnik |
| The moon landings were part of what program of space exploration? | Apollo |
| What is timeskeeping on Earth based on? | time zones |
| Who was the first scientist to use a telescope to observe the sky? | Galileo |
| Describe the relationships of the Earth-moon-sun motions. | The Earth and the moon are part of the sun's planetary system. Together they revolve around the sun. The moon revolves around the Earth. |