Across
- 2. What is the natural satellite of the Earth?
- 5. Can force change the speed of a moving object?
- 7. What instrument is used to study planets, stars and other objects in space?
- 8. Why do we levitate on space?
- 9. Where does the moon get its light from?
Down
- 1. Which force is being applied on an apple that falls from the tree?
- 2. Which planet is the closest to the sun?
- 3. The moon orbits the Earth in how many days?
- 4. Who studies planets, space and stars?
- 6. Which planet used to be known as the dwarf planet?