8th Science Earth and Space TEST Study Guide
*if this is completed by test day, you will receive 5 bonus points on your test!
1. What is the correct order for sizes of objects in space-(planets, stars, universe, galaxy, etc.)
2. What is the definition of the following terms: nebula, star, galaxy, planet, solar system
3. What are the three types of galaxies?
4. Which galaxy does Earth belong to, and what are its characteristics?
5. What is the definition of the following terms: voids, clusters, superclusters
6. What is a LIGHT YEAR? (in km) Why do we use light years to measure distance in space?
7. What is the force that holds galaxies together?
8. What are the possible different colors of stars? Which colors are hottest? Coolest?
9. What do high-mass stars become after fusion has ended? (3 options)
10. What do low-mass stars become after fusion has ended?
11. What is meant by LUMINOSITY?
12. Which type of star is the sun-(size, color, etc.)
13. What is the Hertzsprung-Russell diagram, and what does it represent?
14. What are the 8 phases of the moon beginning with NEW MOON?
15. How are seasons determined by the Earth’s orbit? What two factors impact the length of a season?
16. What is the definition of the word ROTATE?
17. What is the definition of the word REVOLVE?
18. What determines a planet’s YEAR LENGTH?
19. How long does it take the moon to travel around Earth?
20. When does a solar eclipse take place? When does a lunar eclipse take place?
21. What creates ocean tides on Earth?
22. What are SPRING tides and NEAP tides?
23. When do spring tides take place? (which phases of the moon)
24. When do neap tides take place? (which phases of the moon)