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The Bent Pencil
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In this optics activity, learners explore how light bends and affects what we see.
Why Are Bubbles So Colorful?
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In this activity, learners explore why they can see colors in bubbles and why they change.
How can You Demonstrate the Efficiency of Different Light Bulbs?
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In this activity, learners actually feel the difference in energy required to light two different types of light bulbs: incandescent light and LEDs.