1. Metals and acid

2. What to do Get sample of metal Measure out 20cm3 of hydrochloric acid
When told – add metal to acid
Observe the reaction
Take the temperature after 60 seconds
Record (write) your observations down

3. Making observations bubbles fast reaction slow reaction no reaction
very fast
nothing happens
very slow
gets warm
gets hot
no temperature change
hydrogen gas
oxygen gas
helium gas
fizzing

4. Interpreting our results
Iron
Fastest
Zinc
Magnesium
Copper
Slowest

5. What is happening?
hydrogen
hydrochloric acid
metal chloride
metal