Make a hologram-like projector

In this activity, students use a sheet of acetate to make a transparent, four-sided pyramid. The pyramid’s sides act as ...

In this activity, students make a printed circuit board photographically by shining UVA light through a negative artwork mask to ...

In this activity, students make a simple microscope with everyday materials.

In this activity, students use a sheet of acetate to make a transparent, four-sided pyramid. The pyramid’s sides act as ...