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Keep-a-Cube
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In this activity, challenge learners to keep an ice cube from completely melting in 30 minutes. Learners engineer a box or wrap to prevent an ice cube from melting.
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Mechanical Grabber
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In this engineering activity, challenge learners to make a "grabber" that can pick up trash. Learners use simple materials to create pinchers that can grab small items.
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Garden Poles
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In this activity, learners build large-scale structures and cantilevers in a series of "building out" challenges with garden poles and tape.
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Circle Logic
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This is a deceptively simple game to teach strategy, planning, and pattern analysis. In this game, learners take turns removing tokens from a board, and develop a plan to take the last piece.
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Guesswork
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In this number puzzle/trick, learner #1 thinks of a number between 1 and 63. Learner #2 shows learner #1 six cards and asks them whether the cards contain their number.
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Patterns in Pixels
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This activity (page 2) draws upon a familiar, computer-based concept related to visual resolution: pixilation.
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Music and Sound
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This activity (on page 2 of the PDF under SciGirls Activity: Music and Sound) is a full inquiry investigation into sound frequency.
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Sustainable Fishing
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In this activity, learners use a model for how fishing affects marine life populations, and will construct explanations for one of the reasons why fish populations are declining.
Build a Borneo Glider
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In this inquiry-based activity, learners investigate the basic forces of flight as they construct their own paper glider that represents a rainforest creature from Borneo (large, tropical island in So
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Robot Basketball
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In this activity, learners explore accuracy and precision.
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Nano Latch-n-Catch
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In this activity, learners design a therapeutic agent to image and/or cure various diseases in the respiratory system.
Dowels and Rubber Bands I
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If you have 3-foot dowels and rubber bands, you can can started on this fun and open design challenge. You can make structures big and small: make it so you can fit your parent into it!
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Pendulum Time
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In this activity, learners explore how the pendulum has been a reliable way to keep time for centuries.
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Arduino Blink Challenge
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In this activity, learners explore computer programming and the impact of computers on society. Learners build and test a program to turn a light on and off using an Arduino board.
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Chair Lift Challenge
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In this activity, learners explore the unique challenges in transportation engineering, such as devising a method for skiers or hikers to get to the top of a mountain.
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Hang Time
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Learn how to make and fly a paper helicopter! This simple activity includes a template (for the copter "blades") and instructions for folding, flying, and testing designs.
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Mountain Man Measurement Rendezvous
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In this math lesson, learners participate in several activities where they apply measurement skills.
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Tall Tower Challenge
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In this activity, learners explore the design of tall structures such as skyscrapers and telecommunication towers.
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Build a Band
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In this design challenge activity, learners build a four-stringed instrument that can play a tune.
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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.