Search Results
Showing results 1 to 3 of 3
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-814.gif?itok=IicGc_8l)
Incredible Shrinking Shapes
Source Institutions
In this activity, learners get hands-on experience with ratios and scaling while making their own jewelry out of recycled plastic containers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-250.jpg?itok=KGu8Qveu)
Plaster of Paris
Source Institutions
In this activity (page 6 of the PDF), learners will observe both a chemical and a physical change.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-385.jpg?itok=zrcFkcsc)
Fly a Hot-Air Balloon
Source Institutions
Learners assemble a hot-air balloon from tissue paper. The heated air (from a heat gun) inside the balloon is less dense than the surrounding air and causes the balloon to float.