Across
- 1. Used for lifting heavy machines, because water is incompressible
- 4. Energy that uses the heat from our mantle
- 6. Energy that is generated by moving objects
- 7. Space is composed of it, an empty nothingness
Down
- 2. Energy that comes from the heat and radiation of our Sun
- 3. Lowest numbered chemical element with no stable isotopes
- 4. The radiation that occurrs when atoms split
- 5. Plants, converted into raw energy