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Teachable Moments

How Air Conditioners Work

This technology-based segment explains in simple terms the way refrigerant and evaporation combine to create air conditioning.

How Film Works

Before making films, we wanted to find out how films work. And that means learning about Persistence of Vision.

How To Make a Car

Our version is admittedly simplified. We summarize the process, starting with steel coil and finishing by shipping a brand new car out the door.


We not only offer the formal definition of hydraulics, we also describe what they mean to our river guides.


A definition and explanation of Hypothesis.

Icing & Heating Injuries

Our certified athletic trainer teaches us why it’s better to ice some injuries and heat others, for the fastest recovery possible.

Jobs in Healthcare

We learn about different healthcare-related jobs, titles, and requirements: Lab Tech, Med Tech, CNA, and more.

Laser Light

We explain the difference between laser light and other light beams, and how lasers are used to find the best (and worst) berries!

Latent Print

A scientist at the Georgia Bureau of Investigation explains the formal definition of "latent print." (that's "finger print" to you and me)


We again focus on technology, this time comparing incandescent lighting to LED lighting, learning how each works, along with the advantages and disadvantages of each.


This content was developed under a grant from the U.S. Department of Education. However, this content does not necessarily represent the policy of the U.S. Department of Education, and you should not assume endorsement by the Federal Government.