Search Results
Showing results 1 to 3 of 3
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-047.png?itok=YKOGj5n9)
Cool Trees
Source Institutions
This warm weather activity introduces learners to the impact trees have on blocking the sun's heat and reducing temperature on the Earth's surface.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-843.png?itok=a9ENoxoY)
As Straight as a Pole
Source Institutions
In this engineering activity (page 3 of PDF), young learners investigate how a pole can be made stable by “planting” its base in the ground or adding supports to the base.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-836.jpg?itok=S5JfYOLT)
Bark Beetle Infestation Investigation: Estimation and Pheromones
Source Institutions
This activity investigates how bark beetles can threaten forests by having learners estimate the number of infected trees from a photo.