Across
- 2. the hotter, more viscous portion of the mantle closer to Earth's core
- 4. the process by which certain unstable atoms lose energy in a predictable manner
- 8. a specific type of a certain atom, defined by the number of neutrons it contains
- 10. the part of Earth that includes all the freshwater and salt water
- 14. when the size of an object is reduced due to the inward pull of gravity
- 15. the outermost surface of Earth consisting of Earth’s crust and the uppermost portion of the mantle
Down
- 1. the release of gasses from Earth's interior through volcanic eruptions
- 3. a process by which a substance is renewed as it passes through living and nonliving
- 5. the outermost layer of a terrestrial planet
- 6. the solid hot iron-nickel sphere at the center of Earth
- 7. mantle the cooler but more fluid portion of Earth's mantle nearer the crust
- 9. the upper layer of Earth’s mantle, composed of hot slowly flowing rock
- 11. a physical system where energy can enter or exit the system but not matter
- 12. the liquid layer of nickel-iron that surrounds Earth's solid inner core
- 13. heat the heat produced in Earth's interior by the radioactive decay of certain atoms