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In this yummy biology activity (page 3 of the PDF), learners participate in a demonstration of natural selection.

In this activity, learners simulate nature's water filtration system by devising a system that will filter out both visible and invisible pollutants from water.

In this activity, learners explore the engineering behind seismographs and how technology has improved accurate recording of earthquakes.

This guide outlines how to plant a garden even if you don't have a yard!

In this outdoor activity, learners investigate spider webs and feeding behavior, particularly how spiders trap food in their sticky silk webs while not getting stuck themselves.

In this activity, learners are challenged to build a bird feeder using recycled materials from home and are encouraged to problem solve during the extensions.

In this simulation, learners become birds different beak types. Learners use various tools to represent beaks to pick up seeds and place them in a petri dish.

In this activity about global climate change, learners will conduct an experiment and collect data to compare the amount of carbon dioxide (CO2) in four different sources of gases.

In this outdoor activity, learners work in pairs using their senses—especially touch—to learn more about individual trees.