Creature Weigh-In (Physics Experiments)

Purpose to compare the weight of a paper creature with that of paper punches.
Things Required:
Balance from Experiment Straw See-saw
Paper hole puncher
Index card
Scissors
Pencil
Directions:
Draw your version of a space creature on half of the index card. Cut out the creature and place it on one of the weighing pans of the balance paper.

Cut paper punches from the remaining portion of the index card and continue to place them on the empty paper weighing until the straw is level with the table.
This Is What Happens:
The end holding the paper creature falls down, but starts to rise as paper punches are added to the opposite weighing pan. Too many punches lift the creature above the balancing point.
Science Behind It:
The downward pull that gravity has on an object is called its weight. Placing the paper creature on one side of the balance increases the weight on that side. Adding the paper punches on the opposite pan begins to balance the weight of the creature. When the total weight of the paper punches equals the weight of the paper creature, the balance will be level with the table. The level balance indicates that the pull of gravity is the same on both sides of the balance.

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