Unit 11 Contents

Mass

1. Find the mass of several objects. Record your results in the data table like the one shown here on the Sink and Float Data Tables page in the Student Activity Book.

2. Put each object into a pan of water. Record in the table whether it sinks or floats.
3. Do each of the objects that sink have more mass than the objects that float? If not, give an example.
4. Does whether an object sinks or floats depend only upon its mass? Explain.

Volume

5. Find the volume of the same objects. Record your results in the table.
6. Are each of the objects that sink larger in volume than the objects that float? If not, give an example.
7. Does whether an object sinks or floats depend only upon its volume? Explain.