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Ice Roads: Steiner Trees
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In this outdoor activity, learners use pegs (like tent pegs) and string or elastic to simulate drill sites and roads in Northern Canada.

Propeller-Powered Car
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In this activity, learners construct cars that are powered by hand-made, electric propellers.

Cable Car
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In this activity, learners string a line across the room and build cable cars that can move from on end to the other.

Breaking Up with Combustion
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This activity teaches combustion as the interaction of a fuel source and oxygen.

Milk Carton Boats
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This activity (on page 2 of the PDF SciGirls Activity: Milk Carton Boat) is a full inquiry investigation into boat hull design.

Make a Model of a Home Made From Shipping Containers
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In this activity, learners watch a video to learn about a couple who built a home out of shipping containers in Brooklyn, New York.

FAMILY MATH on the Go
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This assortment of mathematical games can be played while traveling.

Round & Round
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In this activity, learners make and test fly paper helicopters. Learners use templates to create paper helicopters and then take take turns flying them in the air.

Family Flyers
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In this activity, learners work in teams to build and test paper airplanes. Learners try to fly their airplanes directly on the runway and earn points for accuracy.

Airfoils
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In this experiment, learners discover how an airfoil creates lift. Learners use simple materials to build an airfoil and test it at different angles to investigate Bernoulli's principle.

Rubber Band Boat
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In this activity, learners build styrofoam boats powered by twisted rubber bands.

Puff Car
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In this activity, learners are challenged to design a wind-powered car using only a handful of household materials.

Balloon Rockets
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In this activity, learners will create a model rocket out of an inflated balloon attached to a straw on a taught string.

Stop: Practice Stopping at Vehicle Intersections
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This is an online game about stopping distance. Learners choose one of three vehicles and one of three speeds.

Parachuting Pinwheel
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Build a pinwheel that works without wind! This activity contains steps on how to build a parachuting pinwheel out of paper, a film canister, and some brads.

Can Car
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In this physics activity, challenge learners to make a race-car out of a coffee can and rubber band. Demonstrate motion, forces, kinetic and potential energy and friction.

Motorized Car
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In this design challenge activity, learners build a car that uses a battery-operated motor to "drive" at least ten feet.
Ride on a Slide: Toys or Tubes Ride Slopes and Angles
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This activity is a hit for family events and all ages—some will finish in 45 minutes; others can go on for hours.

Balloon Rocket
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Experiment with force and pressure by building a balloon rocket. When launched, the balloon will run a track wherever you place the string.

Backyard Biodiesel
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In this activity, learners make a small batch of biodiesel that will work in any diesel engine. Learners use an old juice bottle as a "reactor" vessel to chemically process vegetable oil into fuel.