Across
- 1. What is the outermost layer of the Earth called?
- 5. This gas is essential for all living things to breathe
- 6. What is the closest star to Earth?
- 7. What are tiny pieces of matter that make up everything called?
- 10. What gas do plants inhale during photosynthesis?
- 12. What is the name of the process by which plants make their food using sunlight?
- 13. This flying insect begins life as a caterpillar
Down
- 1. What is the name for a group of stars forming a recognizable pattern?
- 2. What is the process by which water vapor turns into droplets of water in the atmosphere?
- 3. What is the liquid that covers about 71% of the Earth's surface?
- 4. What force keeps us on the ground and makes objects fall towards the Earth?
- 8. celestial body provides light to Earth during the day
- 9. This natural phenomenon produces a flash of light and a loud sound during a storm.
- 11. This layer of the Earth's atmosphere protects us from harmful UV rays.