Year 10 Endothermic and Exothermic crossword puzzle 2

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Across
  1. 3. …………………………… are reactions that release huge amounts of heat. They are exothermic reactions because they release energy into the air around them.
  2. 5. When energy is absorbed by a reaction, we call it ……………………………...
Down
  1. 1. When energy is released by a reaction, we call it ………………………………...
  2. 2. ……………………………………… in leaves is a reaction powered by sunlight. It is an endothermic reaction because the energy from sunlight is absorbed to power the reaction.
  3. 4. Exothermic reactions release energy into their surroundings, and feel …….. as a result.
  4. 6. Endothermic reactions take energy away from their surroundings, and feel ……….. as a result.