Across
- 3. – The study of the ocean, including its physical and chemical properties.
- 6. – The study of the atmosphere, including weather and climate.
- 7. – The layer beneath the crust, making up two-thirds of Earth's mass.
- 10. – All life on Earth and the parts of the geosphere, hydrosphere, and atmosphere where life exists.
- 12. – The solid, rocky part of Earth, extending from the core to the crust.
- 14. – All the water on Earth, including oceans, lakes, and rivers.
- 16. – Information obtained through the senses or tools.
- 18. – The rigid outer layer of Earth, including the crust and upper mantle.
Down
- 1. – The plastic, flowing layer of the mantle beneath the lithosphere.
- 2. – The study of Earth's solid material and structures and the processes that create them.
- 4. – The force of attraction between objects, influencing weight and mass.
- 5. – The innermost part of the Earth, composed of iron and nickel.
- 8. – The layer of gases surrounding Earth.
- 9. – A well-substantiated explanation of some aspect of the natural world.
- 11. – A procedure to test the hypothesis.
- 13. – The thin, solid, outermost layer of the Earth.
- 15. – The strong, lower part of the mantle below the asthenosphere.
- 17. – The study of the universe beyond Earth, including stars, planets, and galaxies.Hypothesis – A testable prediction based on observations.
- 18. – A statement that describes an observable occurrence in nature that appears to always be true.