1. EARTH AND THE SOLAR SYSTEM
REVIEW

2. Earth and the Solar System
1. Earth Travels in a: A. Round orbit B. Circular orbit C. Spherical orbit D. Elliptical orbit

3. Earth and the Solar System
2. One complete Earth orbit of the sun is called: A. A completion B. An evolution C. A rotation D. A Revolution

4. Earth and the Solar System
3. How long does it take for Earth to orbit the sun? A. About one month B. About 24 hours C. About 365 days D. About one week

5. Earth and the Solar System
4. The Earth rotates on its: A. Axis B. Poles C. Equator D. Magnetic Field

6. Earth and the Solar System
5. One complete Earth rotations takes: A. 24 hours B days C. 27 days D. 1 year

7. Earth and the Solar System
6. How far would you have to travel to get from the Earth to the moon? A. 93 million miles B miles C. 238,000 miles D. 1 astronomical unit

8. Earth and the Solar System
7. Which choice best describes the moon? A. A large asteroid
B. A small planet C. A natural satellite D. A comet

9. Earth and the Solar System
8. What are moon phases? A. The parts of the moon we can see from Earth
B. The parts of the moon that effect the tides C. The evolution of the moon D. All of these

10. Earth and the Solar System
9. How would the moon look like during a new moon phase? A. Crescent shaped B. Barely visible C. Half-moon D. Full moon

11. Earth and the Solar System
10. In what year did people first land on the moon? A B C D

12. Earth and the Solar System
11. Which force causes tides? A. Lunar force B. Gravitational force C. Solar force D. Friction force

13. Earth and the Solar System
12. How many planets are in our solar system (not counting dwarf planet pluto) ? A B C D. 5

14. Earth and the Solar System
13. One AU (astronomical Unit) equals: A. 238,000 miles B. 1 light year C. 1 mile D. 93 million miles

15. Earth and the Solar System
14. Which planet in our solar system is the farthest from the sun? A. Neptune B. Mercury C. Uranus D. Saturn

16. Earth and the Solar System
15. Where is the asteroid belt located? A. Between venus and earth
B. Between Earth and Mars C. Between Mars and Jupiter D. Between Saturn and Uranus

17. Earth and the Solar System
16. A chunk of rock that orbits the sun is called? A. A comet B. A meteor C. A meteorite D. An asteroid

18. Earth and the Solar System
17. A small asteroid is called: A. Comet
B. Meteor C. Meteorite D. Meteoroid

19. Earth and the Solar System
18. A meteor that falls to earth is called a A. Meteoroid B. Meteorite C. Crater D. Asteroid

20. Earth and the Solar System
19. What is one difference between a comet and an asteroid? A. An asteroid is ice, a comet is rock B. An asteroid is rock, a comet is ice C. An asteroid orbits the sun, a comet orbits the moon D. none of the above

21. Earth and the Solar System
20. The center of a comet is called : A. The Nucleus B. The tail C. The coma D. The core

22. Earth and the Solar System
21. The coma of a comet is made of: A. Dust and gas B. Rock C. Ice D. Fire

23. List the planets in order

24. Answer Key:
1. D B 2. D D 3. C A 4. A C 5. A D 6. C D 7. C B 8. A B 9. B A 10. B A 11. B