Across
- 2. The sun is the ______ of our solar system.
- 4. The sun is composed of _______.
- 6. ______ causes the planets to circle the sun.
- 7. The sun is made up of 92.1% of ________.
- 8. The sun is a ______.
Down
- 1. The sun is made up of 7.8% of _______.
- 3. How many stars exist in our solar system?
- 5. The _____ gives Earth heat and light energy.
