Across
- 3. The moon and sun's gravity causes _________.
- 5. Sunlight is less direct in the ________ season.
- 6. Used a telescope to prove the heliocentric model
- 7. As altitude increases, oxygen levels _________.
- 10. ________ and oxygen are the most abundant gases in Earth's atmosphere.
- 14. The last step in the scientific method
- 16. First of the outer planets
Down
- 1. The input energy form of any object plugged into the wall
- 2. If it is day here, it is ______ in India.
- 4. Some ________ power plants have been shut down because they caused pollution and health issues.
- 6. Keeps the planets orbiting the sun
- 8. Heat transfer through the movement of fluids caused by density
- 9. Blue triangles represent a _______ front.
- 11. The first step in the scientific method
- 12. 7th planet from the sun, has rings
- 13. Most of Earth's energy comes from the _____.
- 15. When air moves from one place to another.