study guide

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Across
  1. 1. A scientific law describes a
  2. 4. Most of the freshwater on Earth is found in
  3. 7. A vast, underwater mountain chain is called a
  4. 10. is a way to remember the scientific method
  5. 11. The stratosphere contains the
  6. 14. List the three things necessary for photosynthesis.
  7. 16. Plates move apart at?
Down
  1. 2. the _____ is used to measure temperature
  2. 3. What process takes rock to the inside of Earth?
  3. 5. The hypothesis that continents have slowly moved to their current locations is called
  4. 6. The boundary between cold and warm air masses is called
  5. 8. the____are the first to reach a seismograph after an earthquake.
  6. 9. 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. 12. The troposphere is the layer of the atmosphere
  8. 13. The process of liquid changing to a gas at the surface of the liquid is called
  9. 15. When a scientist has tested her hypothesis, the next step in scientific inquiry is to