Crash Course Kids
The Basics of Freshwater
Most of the water on Earth is found in our oceans; however, humans cannot survive on salt water. Instead, we need freshwater. So, what is freshwater and where does it come from? This is the focus of a video that discusses the differences...
Crash Course Kids
Fabulous Food Chains
What is a food chain? Energy flows between living things in a food chain. This is the focus of a video that explains how food chains work.
Crash Course Kids
Gotta Eat!
Why do we eat? We eat because we need energy, and humans need energy to grow. This is the focus of a video that explains why organisms need food to live.
Crash Course Kids
Climate Change
What affects might an ecosystem undergo if the climate changes? This is the focus of a video that describes how a tiny change in an ecosystem can "throw everything off."
Scholastic
Study Jams! Food Chains
Rhinozilla is Mia's bearded dragon and the focus of this lesson on energy flow in an ecosystem. She uses him to explain the energy pyramid, from producers through third level consumers, and she likens the food chain to a video game. Mia...
Khan Academy
Khan Academy: Spout Battery Configuration and Polarization
This battery demonstration shows how changing the flow of energy can change the direction of motor movement. [1:49]