Every Breath You Take

Can you mix two liquids to make a solid that is insoluble? Yes, you can, and pupils see this as the lesson uses more than one combination of liquids to form a solid. Through two teacher demonstrations and a hands-on activity, scholars...

Take a deep breath and have your class construct working models of a lung! Using 500ml plastic bottles as the chest cavity, and balloons for the lung and the diaphragm, learners work in groups to make a model. The models help them to...

Groups of three scientists from the rocky planet Zog investigate the composition of soil so that they can take the information back to their home, create soil there, and begin to grow food.

Can your breath change the acidity in a liquid? A lesson begins with a demonstration that proves it can. Then scholars perform an experiment to determine if other gases can change the pH of liquids. Finally, they research how this...

With a partner, youngsters measure their pulse and breathing rates, both at rest and after running in place for a minute. While this activity is not novel, the lesson plan includes a large-scale classroom graphing activity and other...

When you have a cold drink and you notice the water forming on the outside, it is literally pulling the water from the surrounding air to form the condensation. After watching a demonstration of condensation forming on a glass,...

Take a deep breath before you watch this video. Viewers learn about how every breath is connected due to the cycling of carbon dioxide and oxygen. A split-screen video allows viewers to consider both cycles at once.

Onions, garlic, and coffee can all have unfortunate effects on your breath, but what is the real cause of halitosis? Follow along with this video as it investigates how the bacteria that live in our mouths are responsible for these...

The Clark's nutcracker bird hides seeds in 25,000 different sites every year to save for winter. Lesson demonstrates how difficult it would be to find these seeds months later when they need them for food. In the first of five lesson,...

With the thousands of tasks our brain consciously performs on a daily basis, it's amazing that breathing isn't one of them. Learn how human bodies are able to automatically control the exchange of gas that keeps us alive with this short...