'ruler - STUPID INCOMPETENT MANUFACTURERS' photo (c) 2006, Biking Nikon SFO - license: http://creativecommons.org/licenses/by/2.0/

There are several sites on the Web that show you various objects to school. I thought it would be useful to readers and to me to bring them all together on one list.

Here are my choices for The Best Web Tools That Show You Objects To Scale:

The Scale of the Universe Two is pretty darn impressive.

Universcale compares various microscopic entities. That description does not do justice to the site — you need to go there to check it out.

It can be a bit confusing, and much of the language will not be accessible to English Language Learners. However, the images can be used effectively by teachers of all students.


Magnifying the Universe
is another interactive.

How Big Is The Ocean? is a TED-Ed video and lesson plan:

“How small are we in the scale of the universe?” is the title of a new TED-Ed video and lesson:

If the Moon Were Only One Pixel

The Size Of Space

Additional suggestions are welcome.

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You might also want to explore the  900 other “The Best…” lists I’ve compiled.