Energy crossword puzzle

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Across
  1. 3. Energy from the sun is called_______energy
  2. 4. What is our main source of energy?
  3. 5. Hydroelectric Power station uses running water to generate _____________?
  4. 6. Plants make food using ________ energy from the sun
  5. 7. Sound energy can be used for ______________
  6. 8. Energy ________ from one form of energy to another form of energy
Down
  1. 1. Plants use light energy to ________________
  2. 2. The faster the object is, the ______ kinetic energy it has
  3. 8. Heat energy can be used to ______ food
  4. 9. Potential energy is also known as _______ energy that can be changed to other forms of energy