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Crazy Camouflage
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In this activity about camouflage, learners create a model that shows how a flounder is able to blend into a variety of environments.

A Touch of Class
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In this online game, learners test their skills of categorization.

Handwashing Laboratory Activities: Fingerprint Technique
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In this lab (Activity #1 on page), learners compare bacteria growth on two petri dishes containing nutrient agar: one that has been touched by a finger washed only with water and one that has been tou

It Takes All Sorts
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Learners practice their taxonomy skills by sorting a group of fasteners (e.g. rubber bands, buttons, paper clips, screws) into different categories.

A Hurricane's Storm Surge Affects our Estuaries
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In this activity, learners construct a coastal landmass from sand and add features such as tidal creeks and barrier islands.

Size It Up
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In this artistic activity, learners blow up a smaller picture into a larger one, by using a grid.

Survivors! The People of the Arctic
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In this activity, learners use maps to locate the Arctic region and use a word game to discover the types of resource people need to survive in the extreme climate.

Spinning Your (Color) Wheels
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In this optics activity, learners use everyday materials to make a color wheel. When learners spin the wheel like a top, they will be surprised to see all the colors mixing together to appear white.

Overlapping Spots: Make a bright spot brighter
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This perception trick focuses on conflicting information to the brain...instead of trying to see two images, you're trying to get a bright spot by overlapping the image you see through two tubes.

For the Birds
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In this activity, learners will explore nature by creating food for birds. Learners will develop fine motor skills and engage in nature observation through this activity.

Why is the Sky Purple?
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This simple hands-on activity demonstrates why the sky appears blue on a sunny day and red during sunrise and sunset.

Self-Assembly Game
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This is a quick game about self-assembly (page 2 of PDF under Self-Assembly Activity). Like the molecules of DNA, learners will self-assemble into a pattern by following a simple set of rules.

Knee Jerk Reflex (Patellar Reflex)
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In this quick and simple activity about reflexes (third activity on the page), learners conduct a simple test to explore the knee jerk reflex, typically conducted at the doctor's office.

Model Well
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In this quick activity about pollutants and groundwater (page 2 of PDF under Water Clean-up Activity), learners build a model well with a toilet paper tube.

Afterimage
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In this optics activity, learners investigate afterimages.

Finding Fossils
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This activity (located on page 4 of the PDF under GPS: Baby Dinosaurs Activity) is a full inquiry investigation to determine the age of fossils based on where they are discovered.

Growing Plants
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In this "Sid the Science Kid" activity from Episode 107: My Shrinking Shoes, learners observe how plants change as they grow.

Hatch-a-Cyst
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What is the optimal environment for hatching brine shrimp? Using a scaffold, learners design and conduct experiments testing the effect of a single abiotic factor on brine shrimp cyst hatch rate.

Sand Paper Rankings
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In this activity (2nd activity on the page), learners explore the sensitivity of their sense of touch.

Reebops
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In this genetics activity, learners create imaginary creatures known as "Reebops" to explore the relationships between genes and inherited traits.