Units 4 and 5 Vocabulary
Across
- 5. a long underwater mountain chain formed at divergent boundaries where new crust is created
- 8. the ability of an environment to support life
- 10. the Sun and all the objects that orbit it, including planets, moons, asteroids, and comets
- 11. excess nutrients in water that cause too much plant and algae growth, lowering oxygen levels
- 13. the movement and interaction of large plates that make up Earth's crust
- 15. the movement of heated material caused by differences in temperature and density inside Earth's mantle
- 18. the path one object follows as it moves around another object due to gravity
- 19. a streak of light seen when a small space object burns up in Earth's atmosphere
- 24. water found beneath Earth's surface in rock and soil
- 25. the ability to meet needs without damaging the environment or using up resources
- 26. a force that pulls objects toward each other
- 27. when one tectonic plate sinks beneath another at a convergent boundary
- 28. a natural object that orbits a planet
- 29. a plate boundary where two plates move away from each other
Down
- 1. the shaking of Earth's surface caused by the movement of tectonic plates
- 2. a region beyond Neptune filled with icy objects and dwarf planets
- 3. an area of land where all the water drains into the same body of water
- 4. an underground layer of rock and soil that stores groundwater
- 6. an oval-shaped path an object follows as it moves around another object in space
- 7. a rocky object that orbits the Sun, mostly found between Mars and Jupiter
- 9. a plate boundary where two plates slide past each other
- 12. an object made of ice, dust and gas that orbits the Sun and forms a glowing tail when it gets close to the sun
- 14. the idea that Earth's continents were once joined together and have slowly moved apart over time
- 16. a distant, spherical region surrounding the solar system where many comets originate
- 17. a push or pull that can change an object's motion or shape
- 20. a crack in Earth's crust where rocks have moved past each other
- 21. a supercontinent that included all of Earth's land millions of years ago
- 22. a plate boundary where two plates move toward each other
- 23. a substance added to soil to help plants grow by providing nutrients