Space Mixed Practice
| # | Answer |
|---|---|
| 1 | Space is the vast area beyond Earth and its atmosphere where stars, planets, and other objects are found. |
| 2 | The Sun. |
| 3 | An orbit. |
| 4 | A natural satellite. |
| 5 | Gravity. |
| 6 | Its orbit. |
| 7 | False. The Sun is a star. |
| 8 | The Sun. |
| 9 | Answers may vary. Example: Mars. |
| 10 | Eight. |
| 11 | A solar system is a star and all the planets, moons, asteroids, and other objects that move around it. |
| 12 | Because it reflects light from the Sun. |
| 13 | A constellation. |
| 14 | They need special suits to breathe, stay warm, and protect themselves from the vacuum and radiation of space. |
| 15 | A star makes its own light and heat, while a planet does not and instead reflects light from a star. |
| 16 | Venus, Earth, Mars. |
| 17 | Mars. |
| 18 | Day and night. |
| 19 | One year. |
| 20 | 1 year. |
| 21 | A solar eclipse. |
| 22 | A lunar eclipse. |
| 23 | Because gravity pulls them toward the Sun while their motion keeps them moving around it. |
| 24 | 100 kilometers per hour. |
| 25 | Answers may vary. Examples: It helps us learn more about the universe, improve technology, and create new tools used in daily life. |