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Showing results 1 to 9 of 9
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It's a Gas!
Source Institutions
In this simple activity, learners see the production of a gas, which visibly fills up a balloon placed over the neck of a bottle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-517.jpg?itok=E3tuDcZV)
Exploring Size: Tiny Ruler
Source Institutions
In this activity, learners investigate just how small a billionth of a meter is by attempting to cut a paper ruler down to a nanometer-sized sliver.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-282.png?itok=lDVIDK6v)
Mirror Messages
Source Institutions
In this activity, learners use mirrors to write secret messages to a friend. Use this activity to explore letters, optics, and/or symmetry.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-524.jpg?itok=alKZ1KEn)
Exploring Size: Measure Yourself
Source Institutions
In this activity, learners mark their height on a height chart and discover how tall they are in nanometers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-519.jpg?itok=DRK1gCWE)
Scale Model of Sun and Earth
Source Institutions
In this activity, learners explore the relative size of the Sun and Earth as well as the distance between them.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-519.jpg?itok=xQqJetZ3)
Exploring Size: Memory Game
Source Institutions
In this activity, learners play a card game that explores different size scales--macro, micro and nano.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-027.jpg?itok=WCjzeJSo)
Release the Grease!
Source Institutions
In this simple activity (on page 7 of the PDF), learners use water and liquid dish detergent to see which one removes lipstick better from an index card.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-295.png?itok=R4PrPQbV)
Flinker
Source Institutions
In this activity, learners make a foam packing peanut "flink"--neither float away nor sink--in water. Learners experiment with materials to make a Flinker that "flinks" for 10 seconds.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-550.png?itok=d-udyYKX)
Pocket Protractor
Source Institutions
In this activity, learners create angle-measuring devices--protractors--out of paper. Learners follow a series of steps to fold a square sheet of paper into a triangular Pocket Protractor.