Exploring finding the volume of rectangular prisms using cubic units.

What is volume?
How many layers doe this rectangular prism have?

How many cubic units are in one layer of this cube?

Once we know how many cubes are in one layer, how do we find the volume of this cube?

Does flipping this rectangular prism change the volume of it?
Why is it important to know how to find the volume of a 3-D object?