Exploratorium
Exploratorium: Science Snacks: Aluminum Air Battery
Create a battery that is strong enough to power a light or a small motor in this activity. Activity uses simple materials such as: aluminum foil, salt water, and charcoal to make this battery.
TeachEngineering
Teach Engineering: Foucault Pendulum
Students learn about the Foucault pendulum, an engineering tool used to demonstrate and measure the Earth's rotation. Student groups then create small experimental versions, each comprised of a pendulum and a video camera mounted on a...