Physics

Why do a baseball and a rocket need the same launch speed to get from Earth into space? It has to do with physics and gravitational force.

When a nuclear reactor is no longer in use, the radioactivity in its materials remains. That’s why it’s important to safely deal with the radioactive waste those plants leave behind.

The human eye lets us see the world by sending impulses to our nervous system. In many ways, it is very similar to other optical devices, including cameras.

Learn how people came to understand the source of cosmic radiation, as well as how this radiation impacts those who work in and travel on airplanes.

If an asteroid were to hit the Earth it could be disastrous. Here are some ways we could protect ourselves.

Students explore the cycle of day and night by sorting and classifying pictures, creating images and reading books.

Find out how asteroids, space debris, and cosmic radiation can be dangerous, and how to monitor them and protect ourselves from these space hazards.

Students will work collaboratively to design and build a marble run that meets specific criteria.

Students will learn about the properties of sound as they design, test and build a musical instrument.

5 images of some work that architects do such as designing buildings and making blueprints

5 images of some different engineers and their work places such as engineers at a hydroelectric plant, in a forest and at NASA

Arm wrestling isn’t just a test of strength. It’s also a test of how well you understand torque.

The game of billiards shows the principles of collisions, momentum & impulse, and kinetics at work!

This backgrounder explains the effects of radiation on cells and DNA.

This backgrounder has information about both cosmic & neutron radiation.