Across
- 4. A vast underwater mountain chain is called a
- 6. the troposphere is the layer of the atmosphere that is
- 7. what is the process that takes rocks to the middle of the Earth
- 9. What do you use to measure temperature
- 11. What is the word to remember the steps of the scientific method
Down
- 1. What does a plant need to breathe
- 2. plates move apart at what boundaries
- 3. the stratosphere contains the
- 5. the point in an earthquake where all the energy is released
- 6. the theory that continents have slowly moved to their current location
- 8. what waves are the first to reach the seismograph in an earthquake
- 10. What is the step after a hypothesis