Celery is a good choice for this. Add water to a large water glass. Cut 2 inches off the base of a store-bought celery bunch. Stick toothpicks around the base and immerse the bottom of the bunch in ...
These simple, DIY science experiments for kids will help combat "summer slide" — and your kids will be having so much fun, they won't even notice that their brains are getting a workout. The best part ...
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