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Curious Crystals
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Learners carefully look at four known household crystals.
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Traveling Seeds
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In this activity, learners make three different "seed" types and determine which design flies the farthest.
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Potato Straw
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In this physics demonstration, learners are challenged to insert a straw the furthest into a potato.
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Multi-Variable Relations: Stressed to the Breaking Point
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In this math lesson, learners explore the relationship between the thickness of a spaghetti bridge, the length of the bridge, and the amount of weight that can be supported by the bridge.
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Daffy Density
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In this chemistry activity, learners explore density by using four solids and 6 liquids to create colorful, layered rows.
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Nano Scavenger Hunt
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This is an activity (located on page 3 of PDF under Where's Nano? Activity) about identifying nanoscale objects and phenomena in today's world.
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Skateboard Disaster
Learners examine collisions between two skateboards carrying different masses. They learn about conservation of momentum in collisions.
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Penny Drop
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In this quick activity about the properties of water (page 1 of PDF under SciGirls Activity: Malformed Frogs), learners will use an eyedropper to slowly place one drop of water at a time onto a penny,
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Mystery Sand
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In this activity, learners play with surprising sand that doesn’t get wet! Learners explore how water behaves differently when it comes in contact with "magic sand" and regular sand.
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Number Patterns
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In this lesson, learners are challenged to discover the relationship among six numbers.
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Dinosaur Breath
Through discussion and hands-on experimentation, learners examine the geological (ancient) carbon cycle.
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Catch a Wave: How Waves are Formed
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In this three-part activity, learners explore how waves are formed and why some waves are bigger than others. First, learners observe waves of water in a pan generated by an electric fan.
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Elephant Foot
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Using a real-size sketch of a baby elephant's footprint, learners estimate, measure and record the width (diameter) and outside edge length (perimeter or circumference) of the footprint.
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Diatom Ooze: Ooze Clues
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In this activity, learners will plot the distribution of various oozes using information from sediment maps.
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Piles of Pennies
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In this coin math activity, learners sort and stack 100 (one hundred) pennies into piles of 5 pennies each, 10 pennies each, and 20 pennies each.
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How Long Can You Hold Your Breath?
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In this activity (on page 142 of the PDF), learners will compare breathing rates before and after hyperventilation to explore how reduced carbon dioxide levels in the blood lower the need to breathe.
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How Fast Can a Carrot Rot?
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Learners design their own experiment to determine conditions that either help or hinder the decomposition of carrots by soil microbes.
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Convenient Carrier
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In this design challenge activity, learners invent a convenient way for someone using crutches or a wheelchair to carry small personal items.
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Making Recycled Paper
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In this activity on page 11 of the PDF, learners follow simple steps to recycle old newspaper into new paper.