Grade 4 - Earth and Beyond

3. - A tool with lenses or mirrors that makes distant objects in space look larger and clearer.
6. - The vast, mostly empty area beyond Earth's atmosphere where stars, planets, and moons exist.
7. - A huge body of salt water that covers most of Earth's surface.
8. - A large body of salt water, usually smaller than an ocean or partially enclosed by land.
10. - The curved path one object takes as it travels around another object in space.
12. - The spinning motion of an object on its axis (causes day and night).
13. - A large, round object in space that orbits a star.
14. - An imaginary line through the center of an object around which it spins.
16. - The invisible force that pulls objects toward each other or toward the center of a planet.

1. - One of Earth's seven largest main landmasses.
2. - A natural object that orbits a planet.
4. - The Sun, along with all the planets, moons, and other objects that move around it.
5. - The movement of one object completely around another in an orbit (causes seasons).
6. - The medium-sized yellow star at the center of our solar system that provides heat and light.
9. - The layer of gases surrounding a planet or moon.
11. - Giant, glowing balls of hot gas that shine in deep space.
15. - An area of land completely surrounded by water.