This manipulative engages students in learning about the electromagnetic
(EM) spectrum - its various regions and their associated wavelengths,
frequencies, and energies. What each region reveals about the Universe,
can then be introduced. The focus of the teacher's guide for the wheel
is a series of mini-mysteries or riddles whose solutions are based on
the students' mastery of the parameters of the EM spectrum, and of the
objects that are best observed in a certain region of the spectrum.
These activities address the following Standards.