Experiment- Done in groups.

1. The teacher will have a jar filled with water. She will ask student if the spheres will sink or float in water. Students will test the results.

2. Make a prediction of what will happen to each sphere based on their weight on the data chart.

3. Test each weighted sphere by putting them in water.

4. Record the results on the data chart.

5. Go home and find other things to test and record them on the data chart.