Across
- 5. These elements are unstable and decay in nuclear reactions to form more stable elements
- 6. These energy resources can be replaced in a short time.
- 7. This flask was made by James Dewer (1892).
- 8. Energy that can travel through a vacuum.
Down
- 1. Forms in layers below the ground, these are called seams.
- 2. One of the energy paths that doesn't begin at the sun.
- 3. Type of heat transfer that mostly is from a liquid to a gas or vice-versa.
- 4. The energy path that begins with the movement of energy in the tides