Electromagnetic Spectrum (Advanced) - Scores 10 - 20

very nice, 5* !

I finally came back to conquer this one.
What an excellent game! 5*

A natural companion, I think, for focusing on simply the relative measurements, is Atom to Universe - Level 2.

The simpler version of this game is here:

http://www.purposegames.com/game/electromagnetic-spectrum-quiz/info

More on the topic (including the image) is here:

http://en.wikipedia.org/wiki/EM_spectrum

The image alone:

http://en.wikipedia.org/wiki/Image:EM_Spectrum_Properties_edit.svg

Inductiveload drew some of these images from other sources:

The butterfly from here:

http://commons.wikimedia.org/wiki/Image:P_biology.svg

The skyscrapers from here:

http://commons.wikimedia.org/wiki/Image:Skyscrapercompare.svg
(author Greyengine5: Original Diagram, Antilived vectorised)

And the people are from the Pioneer Space probe plaque. See:

http://commons.wikimedia.org/wiki/Image:Human.svg

All the files (except the people, who are a NASA public domain image) have a GNU Free Documentation license, Version 1.2

Details:

http://commons.wikimedia.org/wiki/Commons:GNU_Free_Documentation_License