Ever wonder how it is that scientists can predict the weather? Well today you're going to find out, and it involves some really fun experiments!

There's a mystery substance in the lab! And Mr. R must figure out what it is-- without using his sense of touch. Screeny and the students help find a solution in this "DO NOT TRY THIS AT HOME" episode.

Mr. R is going to BURN THINGS to help us understand the difference between a physical change and a chemical change in this "DO NOT TRY THIS AT HOME" episode!

Watch as Mr. R builds a tornado in his lab! This is definitely a "DO NOT TRY THIS AT HOME" episode! Plus, you'll hear a story about what it's like to actually *BE* in a tornado.

Hey, how do lightbulbs work anyway?! To answer that Mr. R must introduce us to two important scientists, and then demonstrates a Tesla coil! It's an experiment so dangerous that this is a "DO NOT TRY THIS AT HOME" episode!

This "TRY THIS AT HOME" episode features an experiment sure to help you understand today's big question! And all you need is a flashlight and a balloon! Get ready-- and maybe grab a winter jacket...

Mr. R is back in the lab to figure out what's more dangerous-- an acid or a base? With the help of his students, the pH scale, and some stinky cabbage juice, Mr. R will reveal the secret!

Sir Isaac Newton (the gravity guy!) identified 3 laws that help us understand why we don't just fly off the earth when it spins away! Today we'll spend extra time with Mr. R's students to really get Mr. Newton's laws in our brains!

This "TRY THIS AT HOME" show features experiments with objects you probably have at your house. Today you'll see how engineering is an important part of the science behind why tall buildings don't just fall down!

This is a "TRY THIS AT HOME" episode with experiments that you can do, too! Get ready to learn where electricity comes from and much much more about how it works!