Across
- 2. The star at the centre of our solar system that gives Earth light and heat.
- 5. A very large body of salty water that covers most of the Earth.
- 6. A state of matter that has no fixed shape and spreads out to fill space.
- 7. When a liquid changes into a gas because of heat.
- 9. Water vapour that you can sometimes see when water is very hot.
- 10. A state of matter that can flow and takes the shape of its container.
Down
- 1. When a gas cools down and changes into a liquid.
- 3. Collections of tiny water droplets or ice crystals in the sky.
- 4. Water that falls from clouds as rain, snow, sleet, or hail.
- 8. Water in the form of gas. It is usually invisible and floats in the air.