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This is an activity about photosynthesis. Learners will use the basic principle of photosynthesis and investigate how light intensity diminishes as a function of distance from the light source. Questions help them connect these two ideas to... (View More)

Using a constructed Mystery Light Box, learners will observe what is in the box without removing the object from the box, shining a light into the box, or reaching hands into the box, and they will draw what they see. Next, they will brainstorm... (View More)

This is an activity about understanding how the Earth’s axial tilt changes the angle at which sunlight hits the Earth, contributing to the variations in temperature throughout the seasons. Learners will create a sun angle analyzer in order to see... (View More)

Audience: Middle school
Materials Cost: 1 cent - $1

In this open inquiry activity introducing concepts of remote sensing, students will discuss and research different invisible phenomena. They will then test and verify the existence of selected invisible phenomena by using measurement or detection... (View More)