What's It Worth? Thinking About Weights and Measures

A reading precedes the activity in order to familiarize learners with just how small a nanometer is. Then, small groups measure classroom objects and convert units into nanometers. The publisher doesn't mention it, but the reading...

Determining whether or not something is living can be more difficult than it seems. Put your young scientists to work defining their own criteria to identify life, then work with three samples to see if they are alive or not. 

While cities had only a small fraction of the population in colonial America, they played a significant role in pre-revolutionary years, and this was certainly true for the largest city in the North American colonies: Philadelphia. Your...

Feeling high is not the only side effect of abusing prescription opioids. Middle and high schoolers learn more about specific painkillers, including Fentanyl, Oxycodone, and Clonazepam, as well as their common brand names and extensive...

What goes up must come down, but there is more to the phenomenon than meets the eye! As it turns out, any two objects attract to each other. The formula for Newton's law of universal gravitation is introduced in the explanation. A touch...

You don't need a scale to determine weight. This activity provides a way to use the concepts of air pressure and surface area to determine the weight of a vehicle by calculating the amount of weight each tire supports.

What do tulips, real estate, and stock in a pet store have in common? Find out what happens when products or services sell for much more than they are worth.

Kids age 13 and older are asked to read the provided Times article and background information in order to construct a thoughtful blog response to Obama's first Oval Office speech. They work to address each of the related critical...

Keeping the flame lit for the goddess Vesta was the primary job of the Vestal Virgins — but it also put their very lives in danger. An informative video takes viewers through the journey of Licinia, a young girl chosen to be a Vestal...

Too much material will weigh you down. The sixth segment in a series of 22 highlights how weight affects a plane. Pupils learn that engineers take the properties of materials, including weight, when designing something.