Date post: | 18-May-2015 |
Category: |
Economy & Finance |
Upload: | benjyboy |
View: | 198 times |
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Weathering on Rocks
Today you will be carrying out an
investigation on how acid creates a chemical
reaction on rocks.
First you need to write a prediction…
I predict that the ____________will be the most reactant rock and that __________________will be the least reactant rock because __________________
Then put on your safety glasses!
After that you take 4 watch glasses, lay them out and put 1 of the following on
each glass:
GraniteBasalt
Sand StoneLimestone
Then add ½ a test tube of acid
Record your observations
Did it fizz?Did it change colour?
Did any parts crumble?etc.
After ten minutes your investigation is over
was your prediction correct?
Now write an evaluation and conclusion
Don’t forget to wash up!