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PVC Water Squirter
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In this activity, learners build a water squirter using a PVC pipe, dowel, and foam. This activity is great for the summer time and introduces learners to forces and water pressure.

Build An Aqueduct
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In this activity, learners use the design thinking process to design and build their own aqueduct, or water bridge.
Dollar Bill Grab
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In this demonstration, learners observe as two cola bottles and a dollar bill are arranged in a specific order: one bottle, upside down and filled with water, is placed on top of another bottle, with

Physics Over the Sink: Water Glass Magic
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In this simple demonstration, learners investigate the properties of air pressure. Learners place an index card on top of a glass full of water, then invert the glass.

Twist and Spout
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In this activity, learners make their own "tornado" using two soda bottles and water.

Under Pressure
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In this experiment, learners examine how pressure affects water flow. In small groups, learners work with water and a soda bottle, and then relate their findings to pressure in the deep ocean.

Free-Fall Bottles & Tubes
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In this physics activity, learners conduct two experiments to explore free-falling.

Submersibles and Marshmallows
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In this activity, learners discover the difficulty of ocean exploration by human beings as they investigate water pressure.

Design a Submarine
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Learners act as engineers and design mini submarines that move in the water like real submarines.

Anti-Gravity Cups
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In this activity, learners will use simple materials to explore centripetal force and variables by swinging a cup of water without having the water spill out.

Exploring Size: Ball Sorter
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In this activity, learners use sieves with different-sized holes to sort balls by size.

In the Toilet
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This activity explores the basic workings of a siphon, which is the core technology that makes toilets work.

Science at the Waterpark!
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This activity (on page 2 of the PDF under SciGirls Activity: Water Slides) is a full inquiry investigation into speed and motion and takes place at a water park.

Pop Can "Hero Engine"
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In this activity, learners build water-propelled engines from soft drink cans.

Floating and Sinking Fruits and Veggies
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In this activity, learners will explore the density of an object in water. Learners will compare what happens to fruits and vegetables in regular and salt water.

Lighting Up Celery Stalks
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In this activity, learners conduct a series of hands-on experiments that demonstrate how the working of plants' veins, known as capillary action, enables water to travel throughout the length of a pla

Inverted Bottles
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In this activity, learners investigate convection by using food coloring and water of different temperatures.

School of Fish
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In this activity, learners will make fish cutouts that propel through the water with the help of surface tension.

Push: Water Ski Over the Sharks
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This is an online activity about acceleration. Learners will choose a speed and an angle in order to help a water-skier named Fonzie use a ramp to clear a shark.

Up and Over
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This is an activity about Newton's First Law of Motion - a body in motion tends to stay in motion, or a body at rest tends to stay at rest unless acted upon by an outside force.