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Coin Lab - Marcia's Science Teaching Ideas
瀏覽：1117
日期：2026-04-19
Coin Lab What You Need: 1 each: penny, dime, nickel, quarter 1 eye dropper 1 beaker of water paper towels Safety: There are no safety cautions for this lab. However, be careful if you have a glass eye dropper! What to do: 1. Place a paper towel on your ta...看更多
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