Science review
Use the text book to help. Write complete answers on your blog book.
1. What is a light-year? Scientist use it to measure what?
2. How is a star formed?
3. How does a star dies?
4.
What is a black hole?
5. What is a constellation? Can we see the same
constellation all over the world? Why?
6. Do starts actually move through the sky? Explain.
7. What makes a star be bright?
