Across
- 3. is the transfer of heat through matter by molecular activity.
- 5. is the transfer of energy (heat) through space by electromagnetic waves that travel out in all directions.
- 9. first day of summer & first day of winter
- 11. first day of spring & first day of autumn
- 14. occurs when light bounces off an object.
- 15. is the distance in elevation between adjacent contour lines.
- 16. is the heating of Earth’s surface and atmosphere from solar radiation being absorbed and emitted by the atmosphere, mainly by water vapor and carbon dioxide.
Down
- 1. produces a larger number of weaker rays that travel in different locations.
- 2. includes all living things on Earth.
- 4. the distance north or south of the equator, measured in degrees.
- 6. is the layer of Earth made up of solid rock and other rocky materials.
- 7. is the total amount of water on Earth, including oceans, rivers, lakes, groundwater, and the water vapor in the atmosphere.
- 8. is the layer of gases surrounding Earth.
- 10. is the transfer of heat by mass movement or circulation within a substance.
- 12. are lines on a topographic map that indicate elevation.
- 13. the distance east or west of the prime meridian, measured in degrees.