Pre-test on

THE UNIVERSE,

GALAXIES, AND

STARS

1. What does this thing do?

2. What is this gold thing?3. What is the colorful picture it made?

4. Which color of the rainbow has the shortest wavelength?

5. What is the name of the scientific theory that stated that the universe started in an explosion and is getting bigger?

5. What is the name of the scientific theory that stated that the universe started in an explosion and is getting bigger?

6. The expansion of the universe is accelerating or decelerating?

5. What is the name of the scientific theory that stated that the universe started in an explosion and is getting bigger?

6. The expansion of the universe is accelerating or decelerating?

7. How old is the universe?

8. What force keeps a star from collapsing?

9. What amazing event will happen to our Milky Way in 3 billion years?

10. What is the final stage of our sun’s 10 billion year life?

11. What is this?

12. And this?

13. And this?

14. And this?

15. What is at the core of our galaxy? (pictured below)