Across
- 6. What is the largest ocean on Earth?
- 7. Which metal is used to make wires for electricity?
- 8. What natural satellite goes around the Earth?
- 9. What is the process of water changing from vapor to liquid called?
Down
- 1. What do we call the layer of air that surrounds the Earth?
- 2. What force helps us stay on the ground?
- 3. What is the process by which water changes into vapor?
- 4. Which part of the plant makes seeds?
- 5. What instrument is used to look at tiny objects?
- 10. What gas do plants release during photosynthesis?