When high energy radiation strikes the Earth from space, it’s called cosmic rays. To be accurate, a cosmic ray is not like a ray of sunshine, but rather is a super-fast particle slinging through space. Think of throwing a grain of sand at a 100 mph… and that’s what we call a ‘cosmic ray’. Build your own electroscope with this video!


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One Response to “Cosmic Ray Detector”

  1. lauriecamp2013 says:

    Hello Aurora, we’re new to Supercharged Science and this is our first experiment. Is there a place to find the answers to the worksheet questions? Thank you!