Across
- 3. Positively charged particle of an atom.
- 7. A fossil fuel refined from natural gas and Petroleum.
- 9. Stored energy and the energy of position.
- 11. Looks like a black liquid also known as crude oil.
- 12. Energy of motion; motion of waves, electrons, atoms, molecules, and substances.
- 14. A colorless and odorless fossil fuel, made of mostly methane.
- 15. Heat energy from the Earth.
Down
- 1. Energy sources replenished in a short amount of time.
- 2. A solid, black, fossil fuel used for energy.
- 4. Energy created by the force of moving water.
- 5. Energy from natural matter that was once living.
- 6. Used in nuclear power plants to perform fission which spits the atoms creating energy.
- 8. Table where elements are organized by increasing atomic number.
- 10. Energy sources replenished slower than they are used.
- 13. Substance made up of atoms with the same identity.