Natural Science

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Across
  1. 6. When some matters are heated that it causes molecules to move around more and at a faster rate.
  2. 7. Measures how hot or cold something is.
  3. 8. Example of an artificial heat energy source.
  4. 9. Primary heat source on earth.
Down
  1. 1. Another example of an artificial heat source.
  2. 2. This happens when liquid matters are heated.
  3. 3. This is a thermal energy, which can be transferred from molecules with high thermal energy to molecules with low thermal energy.
  4. 4. This happens when solid matters are heated.
  5. 5. Another heat source on earth. It comes from the earth’s core.