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What is Producing Radiation in the Constellation Cygnus?

What is Producing Radiation in the Constellation Cygnus?

In this activity, students investigate the observations made by astronomers in the... Read More
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Black holes and the Schwarzschild Radius

Black holes and the Schwarzschild Radius

In this activity, students use their knowledge of universal gravitation, potential energy,... Read More
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Measuring Planck's Constant

Measuring Planck's Constant

Students use a simple circuit and LEDs to measure Planck's constant, h,... Read More
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Where Does Energy Come From? (Extended Lesson)

Where Does Energy Come From? (Extended Lesson)

Students use logic to work through thought experiments involving relative reference frames... Read More
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Wave-Particle Duality with Light

Wave-Particle Duality with Light

Engaging and contemporary videos extend the concept of wave-particle duality to light.... Read More
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Satellite Motion and Free Fall

Satellite Motion and Free Fall

Students explore how GPS satellites determine the location of a receiver on... Read More
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Quantization of Light Energy

Quantization of Light Energy

Students apply the idea that light is a particle to interpret the... Read More
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GPS and Relativity

GPS and Relativity

Students investigate how GPS depend on Einstein's theories of general and special... Read More
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GPS Simulation (Extended Lesson)

GPS Simulation (Extended Lesson)

In this multi-period lesson, students participate in an interactive group activity designed... Read More
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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
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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