Quarter Catch Magic Science Experiment
In this fun and easy magic science experiment for kids, we’re going to turn explore inertia by seeing if we can catch a quarter that is balanced on the back of our elbow.
Materials:
- Quarter
Instructions:
- Hold your arm so that you upper arm is parallel to the floor.
- Make sure your hand is open and facing upwards.
- Balance the quarter on your elbow.
- With one quick motion, snap your hand forward and catch the quarter.
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How it Works:
Newton’s First Law of Motion states, “An object at rest stays at rest and an object in motion stays in motion unless acted upon by an outside force.” When you move your elbow, the quarter wants to stay at rest for a split nanosecond before gravity takes over and pulls it towards the ground. This quick moment in time allows you to catch the coin before it falls.
Make This A Science Project:
Try different coins. Try stacking multiple coins. Try moving the quarter farther up your arm.
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