Across
- 3. Natural resources that can be
- 4. the ability to cause change
- 5. Materials that Do Not allow energy to pass through them easily
- 7. faster than nature can replace them
- 9. occurs when heat rises up because it is lighter than colder materials and therefore has a lower density
- 11. materials that allow energy to pass through them easily
Down
- 1. energy in the form of motion
- 2. Resources that people use
- 6. by natural processes in fewer than 100 years
- 8. energy that is ready and waiting
- 10. occurs when light passes outward through space without needing to travel through any materials made of atoms such as solids, liquids, or gasses
- 11. occurs when heat transfers due to contact. This occurs in solids and liquids