Across
- 3. the layer of solid rock between Earth's crust and core
- 6. a drawing, simulation, object, or idea that represents a real event, object, or process (two words, no space)
- 8. the transfer of heat energy within an object, or between objects that are directly touching each other, due to collisions between the particles in the objects
- 9. the transfer of heat from one place to another caused by movement of molecules
- 11. the liquid outer portion of Earth's core, composed primarily of iron and nickel (2 words, no space)
- 12. the part of Earth which is composed mostly of rocks; the crust and outer mantle
- 14. the movement of thermal energy from one thing to another thing of different temperature (two words, no space)
- 16. all of the water on, under, and above the Earth
Down
- 1. the layers of gases that surround a planet
- 2. a measure of how many particles are packed together into a certain amount of space
- 4. a measure of how hot or cold a substance is
- 5. the transfer of energy through space in the form of electromagnetic waves
- 7. the solid, inner portion of Earth's core, composed of an alloy of iron, nickel, and other heavy elements; rotates within the liquid outer core (two words, no space)
- 10. Earth's crust, both beneath the oceans and continents, as well as the mantle and inner and outer core
- 13. the outermost rocky layer of a rocky planet or moon which is chemically distinct from an underlying mantle
- 15. the force per unit area exerted on an object