Lesson 8 Make-up Lab

Changing Matter and Mass

Use these internet cites to help you answer the questions below.

http://www.chem4kids.com/files/matter_chemphys.html

1. Explain what happens to the mass of substances when they change state.

2. Write an experiment to investigate whether any changes of mass occur when ice melts.

3. What variables could cause a change in the experiment?

4. Create a test for changes of mass that occur when water freezes.