In this episode of Crash Course Kids, Sabrina talks to us about how these things work and why we don’t need to worry about the moon colliding with us.

Students often find the interpretation of graphs extremely difficult – this has been shown in research and from many stories of interviews with college students and with younger students.

In this lesson students explore the concept of orbits, focusing on altitude, velocity, and distance traveled.

In this activity, students will investigate the motion of wind-up toys.

In this activity, students will compare two forces of energy on the motion, velocity, and direction of an object.