Unit 4 Review

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Across
  1. 2. Burning wood and rotting bananas are examples of this type of change
  2. 3. These are located on the left side of a chemical equation
  3. 5. A reaction that absorbs heat energy and feels cold
  4. 8. The organelle in autotrophs that creates sugar molecules
  5. 11. A reaction that releases heat energy and feels hot
  6. 12. A chemical equation where the number of atoms is equal on both sides
  7. 13. The number of carbon atoms needed for one cycle of cellular respiration
Down
  1. 1. The organelle that processes sugars to recharge energy molecules
  2. 4. Melting ice and shredding paper are examples of this type of change
  3. 6. The gas that stomata take in from the atmosphere
  4. 7. The pigment inside a chloroplast that absorbs light energy
  5. 9. The type of respiration used to create energy when no oxygen is available
  6. 10. These are located on the right side of a chemical equation