How Many Bears in the Forest?
Third graders model the tag and recapture of bears and use proportions to estimate the population of the bears in their forest. This is a statistical sampling method used by scientists and naturalists to determine population numbers.
3rd Science 3 Views 9 Downloads
Who Speaks for the Trees?
Help young conservationists appreciate the important role that trees play in ecosystems around the world with this collection of six engaging activities. From a shared reading and class discussion of Dr. Seuss' The Lorax, to in an depth...
Pre-K - 8th Science CCSS: Adaptable
Sustaining Our Ocean Resources
Lead young scientists on an investigation of fishery practices with the final installment of this four-part unit. Using a PowerPoint presentation and hands-on simulation, this lesson engages children in learning how fish populations are...
3rd - 8th Math CCSS: Adaptable
California Kelp Forest Restoration
This unit is so cool, you won't be able to "kelp" yourself! Intended for all grades, this science and activity guide for teachers offers a unique opportunity to understand kelp's role as a valuable ecological resource. Teachers and...
K - 12th Science CCSS: Adaptable
How Much is There to Eat? A Comparison Between India and the Southern United States
Students compare American South with India in terms of population density and food production. They practice math skills of estimation and calculation, visualize relative sizes of areas and populations, explore relationship between...
K - 12th Math