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Beaded Braids: Investigating Patterns & Ratios
Source Institutions
In this activity learners create patterns of hair beads.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-967.jpg?itok=DwaHdqmF)
Height Sight
Source Institutions
In this activity, learners build a tool called an inclinometer that can find the height of any distant object, from a tree to the North Star.
![](/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-000-000-001-542.png?itok=0djAEvu4)
Cookie Surface Area
Source Institutions
This is an activity (on page 2 of the PDF under Surface Area Activity) about surface area to volume ratio.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-769.jpg?itok=N74UqfZ-)
Tug-of-War
Source Institutions
This activity (on page 2 of the PDF under SciGirls Activity: Tug O' War) is a full inquiry investigation into tug-of-war physics. Groups of learners will test two tug-of-war strategies.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-575.png?itok=HbtFsZQQ)
Scale Models
Source Institutions
In this activity, learners explore the relative sizes and distances of objects in the solar system.