In this SciShow Kids compilation, Jessi and her friends at the Fort learn about electricity, pressure, and chemical reactions from a science lesson on a string: balloons!<br/>

Did you know that there are good and bad ways to cook your food, according to science? From frying and baking, to zapping and roasting, here are a few scientifically backed dos and don’ts of food preparation and cooking. Let's go!

Jessi and Squeaks are making special valentines for all of their friends! And while they’re working they’re watching older videos to help them remember how they can make the best gifts!

Jessi has a secret message she wants to share with Squeaks, but first they'll need to use some special ingredients to reveal it.

Squeaks and Jessi are spending the day making art and revisiting some videos to help them remember all the different ways they can do it!

Jessi and Squeaks were supposed to go sledding today, but it's really cold outside! That won't stop them from having fun, though! Join them as they look back on some great experiments to do on a freezing cold day!

Have you ever wanted to make a painting but you've run out of paint? Learn how you can make your own watercolors with Jessi and Squeaks!

You're just in time to help Jessi and Squeaks with their baking soda and vinegar experiment! Then, stick around to learn all about chemists, special scientists who study chemicals!

Playing with LEGOS is fun. But, they can also teach us something about matter. In this episode of Crash Course Kids, Sabrina chats about chemical reactions and the Conservation of Matter.

Squeaks is very bored, so he shows Mister Brown some of his favorite rainy day experiments!

Today is a big day! Jessi and Squeaks are going to make slime, and they're going to show you how to make it, too! Plus, they'll tell you all about the gooey science that makes slime so weird and fun!

It might seem like magic when you put some batter in the oven and pull out a fluffy cake, but it's actually science! Join Jessi and Squeaks as they bake a cake and explain how the ingredients react with each other to make a tasty treat!

Paul Andersen explains how pigments can be separated using chromatography. He shows how you can calculate the Rf value for each pigment. He then explains how you can measure the rate of photosynthesis using leaf chads and water...

Mr. Andersen shows you how to sink leaf chads in preparation for the AP Biology photosynthesis lab. An empty syringe is used to remove gas from the leaves before the lab. As the chloroplasts absorb light they produce oxygen bubbles...

In this video Paul Andersen explains how chemical reactions progress as bonds are broken and reformed reformed. He explains the difference between changes in state and changes in molecules. He discussed collision theory and explains...

Powder vs. Soda: an important distinction!

Can you believe that you can blow up a balloon without actually blowing your own air into it!? Follow along with this super neat experiment and find out how!

Howcast - Bake a red velvet cake whenever you want to serve a dessert that’s as beautiful as it is delicious.

Howcast - Don't call a pricey plumber! Anyone with a few tools can unclog a drain -- without even resorting to those strong, toxic chemicals. Most of the time, anyway.

Howcast - Brew laundry detergent that cleans your clothes for just three cents a load -- a fraction of what it costs with store-bought detergent.

Howcast - Fresh-from-the-dryer towels should smell clean, not musty. If lingering odors have you holding your nose, learn how to eliminate that nasty stench.

Howcast - Your friends and family will love these peanut butter chocolate bars.

Howcast - Nothing says "the holidays" more than the aroma of gingerbread wafting through the house. Here's how to make this festive Christmas cake.

Howcast - Learn if baking soda can get rid of acne from dermatologist Cybele Fishman, MD in this Howcast skin care video.