This activity can get very messy, so make sure you have an old table cloth or some newspaper on the floor. If the weather is nice, do it outside - you'll have more space to swing your pendulum, too!
Read MoreMake some swooshing rockets and discover how things are propelled by air pressure. See how far you can make your rocket go!
Read MoreThis is an excellent experiment for learning how things grow and its edible!
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