Materials
http://science.discovery.com/tv/head-rush/science-experiments/worms-light-experiment-02.html
- Earthworms (look in soil in your yard or anywhere)
- A couple scoops full of soil (as much as you need to cover the bottom, so that the worms can crawl around but not enough so that you will lose them)
- Two aluminum tins or trays (one to hold worms and one to test in)
- Paper towels
- Thick black paper to block light
- Scotch tape
- Cup you can fill with water
- Either a small table lamp or sunlight
- Tape measure and Ruler
- Timer
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