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// ENGLISH
Discovering Gravitational Waves

Discovering Gravitational Waves

This hands-on activity uses simple materials to model space-time and the effect... Read More
// ENGLISH
Why Doesn't the Moon Fall Down? The Model Nature of Science

Why Doesn't the Moon Fall Down? The Model Nature of Science

Students are introduced to the power of scientific models through a series... Read More
// ENGLISH
The Mystery of Dark Matter (Lesson)

The Mystery of Dark Matter (Lesson)

Students use stretchy fabric and marbles to make predictions and observations about... Read More
// ENGLISH
What Keeps Us Stuck to Earth?

What Keeps Us Stuck to Earth?

Students examine and compare two models of gravity: Newton‰۪s classical force model... Read More
// ENGLISH
Dark Matter and Gravitational Lensing

Dark Matter and Gravitational Lensing

An interactive teacher‰۪s demonstration connects circular motion to dark matter. Students are... Read More
// ENGLISH
Dark Matter and Orbital Motion

Dark Matter and Orbital Motion

Students make connections to the existence of dark matter with hands-on activities... Read More
// ENGLISH
Dark Matter and Uniform Circular Motion

Dark Matter and Uniform Circular Motion

Students explore the discovery of dark matter by completing a lab on... Read More
// ENGLISH
Dark Matter and Universal Gravitation

Dark Matter and Universal Gravitation

Students use Newton‰۪s Law of Universal Gravitation to analyze the motion of... Read More
// ENGLISH
An Introduction to Dark Matter

An Introduction to Dark Matter

The fascinating topic of dark matter is introduced with hands-on demonstrations and... Read More