Purpose:
To find what's in the box using trial and error.

To see how a model can be developed without seeing the object.

Materials:

The Box

Procedure:

1) Find out as much as you can about the box without pulling out rods and opening the box.
2) Shake lightly, tilt back and forth in various directions and listen for sounds.
3) write down your observations.

4) do all experiments you can think of.