Secondary Catalogue

Series: Crash Course Kids


(Lego) Block Party (Conservation of Mass)

(Lego) Block Party (Conservation of Mass)

Playing with LEGOS is fun. But, they can also teach us something about matter.
A Change of Scenery (Changing Landforms over Time)

A Change of Scenery (Changing Landforms over Time)

The world changes. It really does! But sometimes it changes so slowly that we don't notice it. Other times it changes REALLY FAST!!!
Astronaut Experiment (Air Resistance)

Astronaut Experiment (Air Resistance)

Air resistance! It's a thing! In this episode of Crash Course Kids, Sabrina does her own Astronaut Experiment to show us how we can prove it!
Current Events (Air Currents)

Current Events (Air Currents)

What are air currents? Air currents are like rivers of wind caused by areas of high and low pressure.The air above the land is warmer and less dense, so it rises. The air over the water is cooler and heavier. The cool air rushes in toward the...Show More

Severe Weather

So, what's the difference between "weather" and "severe weather"? Is it just how hard the wind is blowing? Is it just thunder and lighting? Well, it can be some or all of those things.
Weather Channels

Weather Channels

Why is my weather app sometimes wrong? Well it has a lot to do with wind. Jet Streams, air cells, the shape and movement of the Earth... there are a lot of things that make weather a little unpredictable.