February 19, 2017

Homework Help: Changes in Matter

Posted by Sara on Monday, March 22, 2010 at 7:21pm.

Which of the following everyday activities are physical changes, and which are chemical changes?

a)salting ice on a driveway
b)burning leaves
c)mixing sand with soil
d)composting cut vegetation
e)using a glue gun

a = physical
b = chemical
c = ?
d = ?
e = chemical

Please correct me if I'm wrong, and I am not sure of c and d, which is why I have not provided an answer.

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