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Build a Bridge
Source Institutions
In this activity, learners use recycled materials to build a bridge that holds as many potatoes as possible. They investigate weight, height, strength, and measurement as they seek design solutions.
![](/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-000-000-002-520.gif?itok=dv1vITxV)
The Size and Distance of the Planets
Source Institutions
In this activity, learners investigate the concepts of relative size and distance by creating a basic model of the solar system.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-916.jpg?itok=zgbg8Ao5)
What is a Nanometer?
Source Institutions
This lesson focuses on how to measure at the nanoscale and provides learners with an understanding how small a nanometer really is.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-063.jpg?itok=RXjH4pDF)
Size it Up
Source Institutions
Learners investigate why the Sun and Moon appear the same size in the sky even though the Sun is over 400 times larger in diameter.