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In this optics activity, learners explore why the sky is blue and the sunset is red, using a simple setup comprising a transparent plastic box, water, and powdered milk.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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In this activity, learners explore the unseen force of friction and how surfaces can slow moving objects at different rates.

$1 - $5 per student Ages 4 - 11 10 to 30 minutes
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In this environmental science and data analysis activity, learners work in groups to track a Dead Zone (decreased dissolved oxygen content of a body of water) using water quality data from the Nutrien

free Ages 14 - 18 1 to 2 hours
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In a series of three experiments, learners explore the basics of biotechnology using self-locking plastic baggies. Each experiment demonstrates a phenomenon or principle of biotechnology.

Over $20 per group Ages 14 - 18 4 to 24 hours
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Learners use chromatography to separate and analyze the mixture of pigments in leaves. Use this activity to discuss photosynthesis as well as why leaves change color in autumn.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners will use cereal to conduct an experiment and investigate how decreased bone density is related to increased risk of bone fracture.

$5 - $10 per group Ages 8 - 18 1 to 2 hours
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In this technology activity, learners build an "alarming" doormat to keep siblings out of their rooms. Use this activity to teach learners about circuits, switches, and sensors.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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In this activity related to music and sound vibrations, learners make a phonograph or record player out of simple materials. First, learners assemble the turntable, arm, and sound cone.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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This is an online game about stopping distance. Learners choose one of three vehicles and one of three speeds.

free Ages 14 - 18 5 to 10 minutes
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Learners use filter paper and water to analyze six different markers. They mark the paper with ink, and dip the paper in water. The water travels up the paper and dissolved ink travels with it.

$1 - $5 per group Ages 4 - 14 5 to 10 minutes
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Build a pinwheel that works without wind! This activity contains steps on how to build a parachuting pinwheel out of paper, a film canister, and some brads.

1 cent - $1 per student Ages 4 - 8 30 to 45 minutes
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In this activity, learners will explore how density is affected by temperature and how that can create currents.

$1 - $5 per group Ages 4 - 14 10 to 30 minutes
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In this hands-on activity, learners explore static electricity through the use of common household products. They also explore the connection between static electricity and cold weather.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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In this activity, learners find out what happens when they cover leaves with pieces of black construction paper. This activity shows learners that plants need sunlight to survive.

$1 - $5 per group Ages 4 - 11 1 to 7 days
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In this design challenge activity, learners investigate series circuits and motors to build a hand-held "kick stick." Their goal is create a battery-operated device that sends a Ping-Pong ball across

$5 - $10 per student Ages 8 - 14 45 to 60 minutes
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In this activity, learners make a parachute out of tissue paper, tape, and string. Then, learners test their parachute to see how many paper clips it can carry.

1 cent - $1 per student Ages 4 - 11 1 to 2 hours
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In this "Sid the Science Kid" activity, learners set up a simple experiment to find out how sunscreen counteracts the effects of the sun.

$5 - $10 per group Ages 4 - 6 2 to 4 hours
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In this physics activity, challenge learners to make a race-car out of a coffee can and rubber band. Demonstrate motion, forces, kinetic and potential energy and friction.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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This is an activity (located on page 3 of PDF under Nasturtium Leaves Activity) about surface tension.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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Learners add calcium chloride to a baking soda solution and observe an increase in temperature along with the production of a gas and a white precipitate. These are all signs of a chemical reaction.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes