Roll up your sleeves and get a little dirty with this elementary and middle school compost lesson. All you need is a large plastic container, a couple old newspapers, some organic waste, and a few hundred worms and you're ready...

Some scientists argue that air pollution now causes more deaths than smoking. The second unit in a six-part series focuses on air quality. Scholars learn what's in the air, how clean the air around their school is, and what they can do...

Did youknow that chicken causes the greatest risk of food-borne illness. The fourth unit in a six-part series addresses food safety. Scholars research common scenarios of food causing illness through the National Institute for Health....

Here's proof that small-scale labs lead to big-time learning. Introduce acid-base interactions to middle school scientists through a microscale chemistry lab. Pupils combine a variety of solutions and use indicators to obtain approximate...

In a nutshell, your class will culture bacteria from their choice of surfaces. You will need to prepare or purchase agar plates. If you are new to this classic biology activity, this resource carefully walks you through the process of...

Using a simple circuit with the battery representing the brain, future physiologists test to see which solutions conduct electrical "nerve impulses." Enlighten learners with plentiful information on electric signals in the nervous system...

It's the moment of truth. Previous lessons in the 24-part series had scholars design and develop shampoo formulas using chemical concepts. The 18th lesson asks them to test the function of their shampoos. To do this, they calculate the...

Some weddings have flowers in a unique, unnatural color to match the theme. Young scientists take part in this process to learn about the function of the xylem as they observe colored water moving through a flower. Then, they experiment...