Rates and Causes of Mortality in Classroom and Wild Monarch Larvae

You've heard of farm to table ... but what about farm in classroom? Junior agriculturalists embark upon a two-week journey into the science of growing things. Based upon the classic terrarium in a two-liter experiment, the lesson goes...

What is the relationship among the heart, circulation, and exercise? Your class members will explore first-hand how different physical exercises affect an individual's heart rate. They will begin by learning how to measure their own...

Teach your exercise enthusiasts to read their pulse rate at the radial artery and multiply by four to calculate beats per minute. Learners perform a variety of activities, recording their heart rates after one minute of each. Though this...

Through watching several classic air pressure demonstrations, middle schoolers determine that high pressure areas move toward lower pressure areas, heated air causes a drop in pressure, and forces exist when pressures are unequal. By...

Carbon dioxide makes up an incredibly small percentage of our atmosphere, so why is it so important? The video explains that humans passed the 400 parts per million mark in 2013. It highlights the causes of the increase and our...

Sheep wear their wool through rain, wind, and snow without harm; our sweaters don't share the same fate! Watch the video explanation of the make-up of wool and how the harsh washer and dryer environment affects it. Pupils learn that wool...

How do everyday materials behave in unusual environments? is the driving question of this entertaining video about the properties of matter. To answer the question, the boiling point of water is examined at ground level, at the top of...

Ever find yourself looking at a clear blue sky and notice something that seems to be floating across your eye? Well, you're not alone. Watch this short video to find out exactly what causes this and other common visual phenomenon.

There are ten times more bacteria cells than human cells in the average person, and while many of them are helpful, there are some that can be deadly. This video explores the on-going battle between people and these microscopic...

By watching this droll and delightful animation, physical scientists consider what happens when molecules collide. In this film, however, parodic people bump into each other, exchanging limbs in the process, just as molecules might trade...