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Investigating Density Currents
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In this lab activity, learners explore how to initiate a density current. Learners measure six flasks with different concentrations of salt and water (colored blue).
Soda Pop Can Hero Engine
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In this demonstration/activity, water streaming through holes in the bottom of a suspended soda pop can causes the can to rotate.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-616.png?itok=U2rlzHsa)
It's a Gas!
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In this simple activity, learners see the production of a gas, which visibly fills up a balloon placed over the neck of a bottle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-405.jpg?itok=cTp-kv26)
Adherence to HIV Treatment
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In this activity, learners simulate taking HIV antiretroviral drugs by using Tic Tac mints and Kool-Aid packets.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-814.gif?itok=IicGc_8l)
Incredible Shrinking Shapes
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In this activity, learners get hands-on experience with ratios and scaling while making their own jewelry out of recycled plastic containers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-252.png?itok=eHHR4Mai)
Magnet Mania
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In this activity, learners explore the relationship between electric charges and magnetic fields.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-531.jpg?itok=uIjuRcRp)
Surface Tension Icebreaker
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This is a quick activity (located on page 2 of the PDF under Nasturtium Leaves Activity) about surface tension.
Quick Questions: Create a Survey
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In this activity, learners will conduct an open-ended survey, and then organize and analyze results. What languages does everyone speak? What’s the most common? the least common?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-333.jpg?itok=LfEYC6s_)
Defining Density
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In this introductory demonstration and activity, learners are introduced to the concept of density as they explore a rock and a wooden block in water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-134.jpg?itok=O8AVW1dM)
Diet Light
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In this quick activity, learners observe how the added sugar in a can of soda affects its density and thus, its ability to float in water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-791.gif?itok=uKnL0c9f)
Plot the Dot: A Graphical Approach to Density
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In this activity, learners work in groups to determine the mass and volume of four samples: glass marbles, steel washers or nuts, pieces of pine wood, and pieces of PVC pipe.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-961.gif?itok=kZd14dth)
The Blindfolded Walk
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In this activity, learners work in teams to study the observation skills essential to scientific research.
Pencil Drop
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In this demonstration, learners observe as a bottle is placed on a table with wooden hoop balanced on top and a pencil balanced on top of the hoop.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-193.jpg?itok=l9hBP9PN)
Physics in a Glass: Reversing Arrows
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In this simple activity, learners investigate refraction by placing a picture of an arrow behind a glass of water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-544.png?itok=LawHMldb)
Surface Area and Soda Geysers
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This is an activity (located on page 4 of the PDF under Surface Area Activity) about surface area and reactivity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-373.gif?itok=nqt6tf9_)
Space Stations: Bones of Contention
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In this activity, learners make models representing bones on Earth and bones that have been in space. They discover what happens to bones without proper exercise and nutrition.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-743.jpg?itok=h2057ZkK)
Setting the Scene
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In this activity (on page 2), pairs of learners create an imaginary crime scene. One person leaves the room while the other person moves a few things around.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-493.jpg?itok=c_b6UO1E)
Clear Slime Polymer
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In this chemistry activity, learners use guar gum to make slime. Use this activity to introduce learners to polymers, viscosity, and colloids.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-858.jpg?itok=HptyZ1zk)
I Like to Move-It
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This is an activity which will allow learners to gain an understanding of lemur behavior through observation and role play.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-401.png?itok=_WlVFV-B)
Cooking with Chemistry
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In this activity, learners experiment with different variables in making hollandaise sauce to achieve the correct texture and consistency.