Energy

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Across
  1. 3. A solid material in which ions can move as freely as in a liquid, often used in batteries.
  2. 6. The act of making something occur repeatedly or reverse to its original state.
  3. 7. The motion of ions or molecules from an area of high concentration to an area of low concentration.
  4. 8. A device that stores energy for later use.
Down
  1. 1. When two or more things are connected or combined in a layered fashion, like a cake.
  2. 2. A measure of the ability of a material to conduct electricity.
  3. 4. The branch of science dealing with the structure and properties of materials.
  4. 5. A term for something that happens unexpectedly and is not part of the original plan.