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Testing Antimicrobials:: Antibacterial Soap? Do They All Work the Same?
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Many common household cleaners are antimicrobials.

Life in the Sidewalk Cracks
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In this activity, learners compare plant and animal life in different habitats including a sidewalk crack and lawn. Learners sort human-made materials and natural materials found in each habitat.

Forward-Reverse Switch
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In this activity, learners build a switch to turn electrical circuits on and off.

Build a Better Roof
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In this activity, learners will engineer a roof using simple materials to protect a construction paper person from a rainstorm.

Turning the Air Upside Down: Convection Current Model
Learners see convection currents in action in this highly visual demonstration. Sealed bags of colored hot or cold water are immersed in tanks of water.

Play Dough Moon Phases
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In this activity, young learners will learn about moon phases using materials found at home. This activity is adapted using play dough and cups to avoid food allergens and waste.

Layers of Liquids
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Learners pour equal amounts of coffee, mineral oil, corn syrup, and alcohol into a beaker. The liquids resolve into stacked layers, and learners can infer which liquids are the most and least dense.

Chocoberry Chillers: Volume for Thought
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In this Cyberchase activity, have fun measuring volumes and enjoy a delicious shake.

How Do Probes Get To Space?
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Investigate how force and thrust work to propel rockets into outer space. Build a rocket: a blown-up balloon taped to a drinking straw threaded through some string.

I Am/Who Has: A Litter Matching Game
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In this game, learners match descriptions of marine debris (shoes, batteries, paper towels, etc.) to images of these items.

A Hole in the Ground
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Learners build models of sinkholes to gain an intuitive knowledge of their physical aspects.

Balancing Act
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In this activity, learners will explore their center of gravity.
Secret Message
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In this fun math activity (page 1 of the pdf), learners exercise the creative part of their brain by trying to describe a number without mentioning the actual number (for instance, the number 12 could

Speed, Eggs and Slam!
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In this fun hands-on activity, learners create a safety device to protect an egg "passenger" in a toy car crash. Learners experiment with different solutions to this very problem.

Drawing Board
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The Drawing Board consists of a marking pen that remains stationary and a platform that swings beneath the pen, acting as a pendulum.

Roller Coasters
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In this activity learners will build roller coasters and test them using small balls or marbles.

Exploring the Solar System: Story Blocks
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In this collaborative storytelling activity, learners and caregivers develop a strong story about science and exploration.

Everything Grows
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In this activity, learners explore patterns and sequences as they observe fictional plant growth.
Peppy's Day in the Park
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In this math activity, learners build Peppy the dog the best trail and park for running around.

Our Place in Our Galaxy
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In this fun and simple hands-on astronomy activity, learners construct a model of our place in the Milky Way Galaxy and the distribution of stars, with a quarter and some birdseed.