Uploaded by Julie Della Villa

Weathering Experiment

advertisement
Weathering Experiment
Define the following terms:
Physical weathering: _________________________________________________________
__________________________________________________________________________
Chemical weathering: _________________________________________________________
__________________________________________________________________________
Aim: To observe physical and chemical weathering.
Risk Assessment:
Hazard
Risk
Precaution
Procedure:
1. Fill up a 250mL beaker with 150mL water.
2. Pick up a piece of sandstone/granite using crucible tongs and hold it over a Bunsen burner
for 1 minute.
3. Place the piece of sandstone/granite into the water.
4. Record your observations.
5. Place a piece of limestone/marble into a beaker.
6. Pour 10mL of hydrochloric acid (using a measuring cylinder) on top of the
limestone/marble.
7. Record your observations.
Results:
Write down your observations – note down what the stone looks like before AND after the
weathering.
Type of Rock
Observations
Questions:
1. Which one of the experiments you just did is an example of physical weathering?
___________________________________________________________________
2. Which one of the experiments you just did is an example of chemical weathering?
___________________________________________________________________
Download