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Showing results 221 to 227 of 227
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Motorized Car
Source Institutions
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
Source Institutions
This activity is a hit for family events and all ages—some will finish in 45 minutes; others can go on for hours.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-276.png?itok=CEaNmJk1)
Balloon Rocket
Source Institutions
Experiment with force and pressure by building a balloon rocket. When launched, the balloon will run a track wherever you place the string.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-389.jpg?itok=57PG85DM)
Build a Roller Coaster
Source Institutions
Learners design and build a roller coaster using simple materials. Learners experiment with potential and kinetic energy to get a marble to follow a track into a cup.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-281.png?itok=XYfbgMtv)
Scytale Messages
Source Institutions
In this activity, learners use a soda can to decode a secret message. Learners wrap scytale (pronounced ski-tally) code around a can and challenge friends to see if they can crack the codes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-242.jpg?itok=c6prVQMD)
Minibot
Source Institutions
In this activity, learners build a mini dancing robot. This engineering activity introduces learners to electricity, circuits, switches, conductivity, and motors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-256.jpg?itok=2GZwMD2Z)
Thumb Piano
Source Institutions
In this activity, learners explore sound by constructing a simple piano out of wood and craft sticks.