Across
- 3. necessary for photosynthesis.
- 4. earthquakes
- 5. Most of the freshwater on Earth is found in
- 8. List the 3 things that distinguish atmospheric layers.
- 10. A way to remember the scientific method
- 11. The boundary between cold and warm air masses is called
- 13. are the first to reach a seismograph after an earthquake.
- 16. The is used to measure temperature.
- 17. The hypothesis that continents have slowly moved to their current locations is called
- 18. reverse
- 19. is the layer of the atmosphere nearest to the Earth's surface.
- 20. What process takes rock to the inside of Earth? subduction
Down
- 1. A vast, underwater mountain chain is called a
- 2. Plates move apart at
- 6. humidity is a measure of the amount of water vapor that air is holding compared to the amount needed for saturation at a specific temperature.
- 7. The a process of liquid changing to a gas at the surface of the liquid is called evaporates from oceans and lakes and rises into Earth's atmosphere as
- 8. ways in which the movement of two blocks of rock along a fault causes an
- 9. When a scientist has tested her hypothesis, the next step in scientific inquiry is to
- 12. A scientific law describes a
- 14. contains the highest concentration of ozone.
- 15. The point in Earth's interior where the energy release of an earthquake occurs is
- 17. weather Areas of Areas of low pressure usually have
