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Rocket Mice
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In this activity, learners will make a model rocket to test the phrase "what goes up must come down." Learners will power their rockets with air pressure, and soon discover the effects of air resistan
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Marshmallow Models
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No glue is needed for learners of any age to become marshmallow architects or engineers.
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Finding the Sweet Spot
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In this activity, learners will discover how to find the "sweet spots" on a baseball bat. Whenever an object is struck, it vibrates in response.
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Paperfolding Polyhedrons
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In this activity (on pages 55-66 of PDF), learners fold paper into origami shapes and then combine several identical shapes into a three-dimensional structure.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-942.jpg?itok=V4TLpjl-)
Biomimicry Mash-Up
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In this design challenge activity, learners explore the concept of biomimicry by using a natural organism's special features to design a new human object.
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Density Rainbows
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In this activity, learners explore the concept of density by pouring 5 different liquids into a jar. Food coloring is added if needed to give each liquid a distinct color.
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Atomic Mobile
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Learners make a mobile model of a carbon atom using clay, wire, and pipe cleaners.
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Squeezing Pictures Into Codes
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In this activity, learners will explore how computers represent pictures using pixels.
Pattern Families
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In this math activity, learners sort patterns into similar "families" or groups that have the same pattern, but different symbols.
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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.
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Jitterbugs
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In this activity, learners construct bug models that "jitter" all over the table with just a battery, motor, and counterweight.
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The Carbon Cycle and its Role in Climate Change: Activity 3
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In this activity, learners explore the human influences on the carbon cycle and examine how fossil fuels release carbon.
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Moon's Long History: Impact Paintings
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In this activity, pairs of learners model how scientists use craters to determine the ages of lunar surfaces. One partner keeps time while the other creates a painting for the other to interpret.
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Special Effects Using Household Chemicals
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In this activity on page 4 of the PDF (Behind the Scenes with Chemistry), learners make some special effects, including snow and breaking glass, with supplies found in the home.
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String Genome
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In this biology activity (page 5 of the PDF), learners use yarn and sticky labels to build a model of a DNA strand. They discover that DNA is very long, very skinny, and packs well into cells.
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Loopy Geometry
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Discover geometry by creating shapes from loops of paper. In this activity, paper loops transform to give you totally new structures when you cut them.
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Vibrant Cords
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In this activity, learners will explore how the voice works and feel the vibrations produced by vocal cords.
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Make a Tikiville Teepee
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In this great hands-on activity, learners use patterns to make a teepee from newspaper that they sit inside.
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DIY Pasta Rover
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In this activity, learners design and build a NASA rover using raw pasta and candy with a limited imaginary budget.
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Map Your World
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In this activity, learners map their world by drawing a plan of their bedroom.