Across
- 2. Gravity is a ________, like a pull.
- 4. We cannot _______ without heat and light from the sun.
- 5. Stars are seen at ________. You cannot see most stars during the day.
- 6. Scientists do not know the exact number of stars in the sky because there are too ______ stars to easily count.
- 7. You can only see one star in the day. This star is called the ____.
Down
- 1. __________ pulls objects to the center of Earth. It makes a ball fall to the ground.
- 3. The sun can harm living things. It can give you a ________.
- 6. Gravity keeps the _______ close to Earth.
- 7. Stars look _______ because they are far away from us.