8th Grade Astronomy in Review

Take this quiz and look at your score.

Reflect.

Take the quiz again as may times as you need to in order to feel good about your understanding of these concepts.

Remember that your attitude can determine altitude.

You CAN do it!!!

Earth in the Solar System: Galaxies 1. A huge group of stars, dust and

gas bound together by gravity is a2. Most elliptical galaxies have

only3. Where is our sun located in the

Milky Way?

Earth in the Solar System: Stars

4. The sun produces energy through5. When you look at the sun you are seeing

the6. On the surface of the sun, what often link

different parts of sunspot regions?7. Every star begins its life as a 8. A star is born when a protostar becomes

so dense and hot that9. What produces the energy that caused

stars to shine?10. You can see the moon at night because11. A solar eclipse can occur

Earth in the Solar System: Measurement12. An astronomical unit is13. A light-year is14. The Milky Way is about

100,000 light-years wide. To cross the Milky Way, light takes about

Earth in the Solar System: Planets and Natural Satellites15. A natural satellite that revolves around a

planet is called a(an)16. The four inner planets all have17. Which planet has polar ice caps

containing frozen water and carbon dioxide?18. Which is the largest planet in the solar

system?19. What is the composition of the four

planets closest the sun?20. An object that’s composed mainly of ice

and is orbiting the sun in an elliptical path is most likely