Across
- 1. What sphere contains all life forms on earth?
- 4. What is the type of naturally occurring water that is not salty and suitable for consumption called?
- 5. What is formed from the remains of plants that once grew in swamps years ago called?
- 10. What type of energy is generated by the sun?
- 11. What sphere includes the rocks of the crust of the earth?
- 14. What is the innermost portion of earth called?
- 19. Who proposed the Bigbang theory (surname)?
- 20. What is the process in the water cycle where ice and snow turns into water vapor called?
- 22. What is the upper Layer of earth that provides nutrients, water, oxygen, and heat?
- 25. What theory is also known as the extension of the standard big bang theory?
- 28. What is an inorganic, naturally occurring solid that has a definite chemical composition called?
- 29. What is a colorless, transparent liquid that makes up 70% of the Earth's surface?
- 30. What is a renewable source of energy that generates power by using the natural flow of a body of water?
- 33. What is a large body of ice that is slowly moving called?
- 34. What energy resources can be used repeatedly and does not run out because it is naturally replaced?
- 35. What is the device that stores energy and converts chemical energy-electricity?
- 36. What is a large body of water surrounded by land?
- 37. What kind of rock is formed from the cooling and solidification of lava or magma?
- 40. It is a renewable energy source that comes from the heat within the earth.
- 42. What is often defined as “the totality of existence” and includes all of space?
- 43. What does the letter “R” stand for in the acronym CMBR?
- 46. What is a very large expanse of salt water that makes up 97.5% of Earth's water?
- 48. What is the name of the planet that we live in?
- 49. What kind of rock is formed from exposure to intense heat or pressure?
- 50. What kind of igneous rock is formed from slow magma cooling?
Down
- 2. What is a natural stream of water that typically flows to a sea, ocean, or lake?
- 3. What is the process in the water cycle where water vapor changes into ice called?
- 6. What sphere includes all the water on the planet?
- 7. What is considered the hypothetical kind of matter that cannot be seen with a telescope?
- 8. What is the most obvious property of a mineral?
- 9. What is the property of a mineral that allows it to break along smooth flat planes.
- 12. What is the point in space where there is mass with infinite density?
- 13. What is an organic plant based material that is converted into fuel and can be used as an energy source?
- 15. This theory states that there may be an infinite number of universes.
- 16. It is the splitting of heavy atoms into lighter atoms.
- 17. What is our galaxy called?
- 18. What is the energy of the empty space that causes the expansion of the universe?
- 21. What is the Latin word for oil?
- 23. It is the combination of two lighter atoms to form a heavier atom.
- 24. What is the molten rock that is under the Earth's surface?
- 26. What makes up the 21% of our atmosphere that is essential to living organisms?
- 27. It means “life” in Greek.
- 31. What is the process of water that forms in the atmosphere and falls to earth called?
- 32. What is the molten rock that is on the Earth's surface?
- 38. What kind of igneous rock is formed from rapid lava cooling?
- 39. In the spectrum of visible light, what light has the longest wavelength?
- 41. What is the process where liquid water changes into water vapor called?
- 44. What is the thin gaseous layer that envelopes the lithosphere called?
- 45. What kind of rock is formed from the compaction and cementation of sediments?
- 47. What is the 78% of our earth's atmosphere composed of?