Insulation

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Across
  1. 5. A material that slows the movement of energy.
  2. 6. The transfer of heat through a material by direct contact.
  3. 7. Hot and cold molecules moving from one place to another (boiling water)
Down
  1. 1. Do not let heat go thru it.
  2. 2. Absorbs and hold heat
  3. 3. A source of usable power.
  4. 4. Application of science and mathematics to solve real life problems.