About this video
This video tests a homemade bat signal that shines on clouds. It also shows how to build a simple image projector. You can learn about lenses and light.
🧠 Quiz & Trivia
Test your knowledge after watching!
Q1 What does the bat signal project onto?
Answer: Clouds.
Q2 What common items can be used to make a projector?
Answer: A lens and a light source.
Q3 What science concept does this project teach?
Answer: How lenses work.
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