Across
- 3. a large area of salt water that covers the Earth
- 4. a large area of water with land all around it
- 6. all the water (solid, liquid, gas) on and around planet Earth
- 10. recorded measurements or observations
- 11. water that is not salty, such as the water in most lakes and rivers
Down
- 1. a large area of frozen water, found in places that are cold all year long
- 2. how much space something takes up
- 5. a measurement of the surface of something
- 7. water water with salt in it, such as the ocean
- 8. an educated guess about a number
- 9. an image that helps you understand the number or amount of something