This clip explains how air intake while exercising pumps oxygen into the muscles which combines with ATP to create muscle contractions.

This clip explains the benefits of playing soccer in real life rather than in a video game.

Mr. D has an efficient, funny, and controversial way of grading papers: he grades them based on his knowledge of each student, their behavior, and the grade they expect. This clip is a funny example of assessing students unfairly but can be used to discuss more appropriate ways to assess students.

Sid tells his parents that he is going to bring the TV in his room and watch it all weekend long. His parents don't let him do so because it's not healthy; he needs exercise.

DIY rocket launcher with a cork, soda bottle, vinegar, water and baking soda.