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In this biology activity (page 3 of the PDF), learners will explore how plants turn sunlight into food through a process called photosynthesis.

In this activity, learners will explore how the voice works and feel the vibrations produced by vocal cords.

In this physics activity, learners explore how sound is created by vibrations.

This is an activity about waves. Using marbles, paper clips and rubber bands, learners explore how waves behave.

In this activity about light, learners explore how water can refract light and change the way they see things.

In this activity, learners make a solar oven. Learners witness the awesome power of the sun to make a yummy treat--a chocolate chip cookie!

In this amazing activity about light and reflection, learners will use a pie plate and reflective strips from a mylar balloon to try to morph their face into a friend's.

Everybody loves bubbles, and this is the best bubble recipe ever!

This is an activity about the behavior of light. Using simple, everyday objects, learners will discover that light moves in straight lines until acted upon by another object.

In this activity (page 3 of the PDF), learners will observe a physical change.

In this activity, learners use a tuning fork to explore how the Doppler effect works.

In this activity about color, learners get to explore the process of chromatography. Right before their eyes, they can watch ordinary green and black ink turn into a literal rainbow of colors.

In this physics activity (page 4 of the PDF), learners will--using nothing more than a coat hanger and some string--explore and understand sound energy and how it moves.