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Showing results 21 to 40 of 50

Battling for Oxygen
Working in groups, learners model the continuous destruction and creation of ozone (O3) molecules, which occur in the ozone layer.

Make a Garbage Bag Kite
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Make a kite out of a garbage bag, shower curtain, painting tarp--anything light, thin, flexible and plastic!

Super Sleuths
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In this physical sciences activity, learners use science to solve a "crime." Learners collect trace evidence (glitter) and explore its characteristics, such as color, size, shape, and light reflection

Exploring Materials: Graphene
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In this activity, learners investigate the properties of graphene and graphite.

Dough Creatures
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In this technology activity, learners light up the room with electrifying play dough creations. Learners use conductive and insulating homemade play dough to build simple circuits.

Hot Air
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In this activity, learners set up an experiment to investigate the effects of hot air on the path of a laser beam.

Lager Lamp
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In this demonstration, adult learners create a lava lamp using beer and nuts! Use this pub-themed activity to demonstrate the effects of buoyancy and bubbles.

Light as Air
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In this physics activity (page 6 of the PDF), learners will demonstrate air has weight by comparing an inflated balloon to a deflated one.

As Light as Air
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Learners measure a bottle full of air, and then use a vacuum pump to remove the air. When they re-weigh the bottle, learners find the mass is about 0.8g less.

Heavy or Light
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In this activity, learners explore a scale by comparing objects, which look similar but have different weights. Learners predict and then measure the weights of various objects using a scale.

Conductivity Meter
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In this activity, learners build a simple qualitative conductivity tester with a battery, bulb and foil.

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

Bubble Suspension
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In this activity, learners observe as soap bubbles float on a cushion of carbon dioxide gas. Learners blow bubbles into an aquarium filled with a slab of dry ice.

Changing Colors
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Learners experiment with a commercially available liquid-crystal coaster. They warm the material with their hands for varying lengths of time and observe the changing colors that result.

Tie Dye Painting
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This is an activity exploring color and color mixing.

Stop: Practice Stopping at Vehicle Intersections
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This is an online game about stopping distance. Learners choose one of three vehicles and one of three speeds.

Water Wire: Electricity Flowing Through Water
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In this activity on page 10 of the PDF, learners detect the amount of energy that can flow through a sodium chloride electrolyte solution with a light sensor.

Paper Cutting
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In this activity about scale, learners investigate the world of the very small by cutting a 28 centimeter strip of paper in half as many times as they can.

Round, Light and Hollow
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In this activity about bones (page 12 of PDF), learners investigate and compare the weight-bearing capacity of solid and hollow cylinders.

Safe in the Sun
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In this activity on page 13 of the PDF, use a special plastic card that has been painted with a chemical that changes color when it is in UV light.