Across
- 4. Objects in space that are luminous in the night sky.
- 6. ______ of the moon are the changing patterns of sunlight on the moon.
- 7. South Africa is a part of which continent?
- 8. A cool, round object that always orbits around the Earth.
- 10. The upper layer of the Earth in which plants grow. Sand that is mixed with dead or rotting material
- 12. The expanse of saltwater, smaller than saltwater's surfaces.
- 14. One of the seven main large pieces of the Earth's surface.
- 16. Unending darkness beyond the Earth's atmosphere.
- 18. An interesting or distinctive attribute of something.
- 20. The layer of gases or air surrounding the Earth or another planet.
- 21. A round hole made by something that has fallen on it.
- 22. The largest continent.
- 23. Heat from the sun is important for the water _____ .
Down
- 1. The pull that holds things on Earth.
- 2. The largest of Earth's saltwater surfaces.
- 3. A piece of land surrounded by the sea.
- 4. The solar ______ is the sun and all the objects that move around it.
- 5. Covers more than half of the Earth's surface.
- 9. A regular, repeating pathway along which an object moves around another.
- 11. A natural home or environment of an animal, plant, or organism.
- 12. A round solid figure, like a ball.
- 13. A bright star that gives light and warmth to Planet Earth.
- 15. A large object that moves around a star.
- 16. The outside part or uppermost layer of something.
- 17. A large area of water surrounded by land.
- 19. A long tall structure that can be propelled into space.