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Changing the Density of a Liquid: Adding Salt
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Learners see that a carrot slice sinks in fresh water and floats in saltwater.
Physics in the Kitchen: Sink or Swim Soda
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In the kitchen, learners can perform their own density investigation.
Weighty Questions
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In this activity about humans and space travel (page 1 of PDF), learners compare and contrast the behavior of a water-filled plastic bag, both outside and inside of a container of water.
Balancing Act
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In this activity, learners will build thier own balance scale. Learners will explore weight and comparison through this activity.
Float Your Boat
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In this physics activity, learners will explore buoyancy.
Swing That Pendulum
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In this full inquiry activity (located on page 3 of the PDF under GPS: Kinetic Sculpture Challenge Activity), groups of learners will make predictions about which feature of a pendulum (mass, length,
Design a Submarine
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Learners act as engineers and design mini submarines that move in the water like real submarines.
Balancing Stick
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In this quick and simple activity, learners explore how the distribution of the mass of an object determines the position of its center of gravity, its angular momentum, and your ability to balance it
Build a Raft
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In this activity, learners explore density and buoyancy as they design and construct rafts.
Loony Balloons
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In this activity, learners investigate how changing the center of gravity of a balloon affects how it travels. Learners fill a balloon with a little bit of water and insert into an empty balloon.