# Building Sculptures

A stick of butter is a square prism. Slice the stick of butter anywhere, and the cross sections remain congruent to the bases.

To learn more about cross sections, visit the Math Is Fun website.

Think of a prism as that same base stacked up a certain amount of height. When you stack up the base, you get a solid three-dimensional figure. Solid figures have volume!

Now it's time to practice finding volume in three-dimensional figures. Go to the next page and click the Play button to begin the interactive.