Making Observations

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Across
  1. 2. what we would hear if a gas is made during a chemical reaction
  2. 5. if energy is released during a chemical reaction, the temperature would __________
  3. 7. what we would see if a gas is made during a chemical reaction
Down
  1. 1. the gas made when baking soda reacts with vinegar (we also breath it out!)
  2. 3. bubbling and fizzing indicate that a ______ is being produced
  3. 4. if something new is made during a chemical reaction, we might observe a ___________ change
  4. 6. bubbling, fizzing and colour change are all signs of a __________ reaction