Universe Part I Test Review - WFISD



Universe Test Review

How can you study?

• FINISH and look over the test review that your teacher has spent 2 hours to make for you.

• Cover up answers on your review and see if you can answer correctly

• Ask a friend or family member to quiz you from the review.

• If there’s something on the review you do not understand, re-read your assignments to better understand.

• You can also go to Mrs. Parker’s webpage where there is a tutorial and animations that may help you study.

1. Write the following where they belong on the Venn diagram of the each theory of the origins of the Universe.

a) periods of expanding alternate with periods of contracting

b) the universe looks like it always has

c) the universe started with an explosion from a single point

d) expanding and contracting do not occur

e) models of universal formation

f) the universe is expanding

2. What did Edwin Hubble contribute to astronomy?

3. Name three types (shapes) of galaxies.

4. What is the name of our galaxy?

5. What shape is our galaxy?

6. Proxima Centauri is 4.3 light-years away from our sun. If Proxima Centauri exploded into a super nova, how long would it take for us on Earth to know?

7. What do astronomers look for to detect, or find, black holes?

8. What does a light-year measure?

9. What determines the length of the life cycle of stars?

10. What part of the life cycle of a star is our sun in?

11. How will our sun end its life cycle?

12. Write the complete life cycle of a super high mass star.

13. Write the complete life cycle of a high mass star.

14. Write the complete life cycle of a low mass star.

15. What color of star is the hottest?

16. The H-R diagram shows the relationship between what two characteristics of a star?

17. According to the H-R diagram what classification are the following stars?

• Betelgeuse:________

• Sirius:______________

• Alpha Centauri A: ______________

18. In what ways are the stars Sirius and Spica alike?

19. In what ways are the stars Vega and Aldebaran alike?

20. Using the H-R diagram, name a star that is bright and blue in color.

21. Using the H-R diagram, name a star that is very dim and red in color.

22. Arrange the following from smallest to largest: stars, solar systems, planets, galaxies, and universe.

23. Review the limitations of a model on the assignment “Our Expanding Universe.” (the last question)

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Oscillating Universe

Big Bang

Steady State

STUDY! STUDY! STUDY!

*This review is does NOT cover everything that is going to be on the test. Make sure you go back and study the wave’s material too.

We have learned A LOT in this unit! This review contains content that students often struggle with on the test.

Be sure that you know the CONCEPTS and that you are NOT just going through and remembering answers.

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