Electrolysis is electrical current flow through a liquid which causes chemical changes. The liquid can be a molten ionic compound or aqueous solution. The liquid will contain free-flowing positive ions and negative ions. The positive...

This video is a lecture presentation on the topic of electrolysis of aqueous solutions. It starts with a brief refresher on what electrolysis is, and then explains how electrolysis is used to split compounds using electricity. The...

This video provides an overview of the element antimony, highlighting its properties as a metalloid and its various uses in medicine, cosmetics, electronics, and other industries. It also touches on the historical significance of...

From the Hindu festival of Dessehra to a kitchen in Chinatown, we bring you five demonstrations of non-reversible changes resulting in new materials, for use with students in the classroom. Non-reversible changes result in the formation...

This video provides a basic understanding of electricity, explaining how it is generated and how it powers our everyday appliances and devices. Explore the fundamental particles that make up matter and how electrons flow to create...

This video explores the concepts of matter and energy in organisms and ecosystems. It explains how food provides energy for organisms, how plants use photosynthesis to convert sunlight into glucose, and how consumers obtain energy by...

Learn the basics about the principles of green chemistry as part of the environmental chemistry topic.

Learn the basics about the renewable feedstocks principle of green chemistry, as a part of environmental chemistry. Many plastic products are derived from crude oil, which is a non-renewable resource. It takes millions of years for dead...

Thermite - The most Dangerous Paint??

This question has been bugging me for about 20 years. And, ultimately, it still bugs me...

In this video, students observe and learn about chemical changes through simple examples. They witness the transformation of a match tip when it is lit, and how it changes chemically into a blackened and smaller substance. This video is...

More money is spent on treating cancer than preventing it within the United States. However, scientists are getting closer to finding out if cell growth within our bodies promotes already existing cancer. Scientists are examining...

In this Nature League Lesson Plan, Brit explores the four main categories of communication for life on Earth, and discusses the realities of interspecies communication. Guest starring: Adrian Adams as the bit partner, Sean Kirkpatrick as...

Ever heard of rocks exploding in a campfire? Can it really happen, and how dangerous is it? What happens if you spill molten metal on concrete? Today we will look at how and why concrete and rocks spall during a fire.

Hydrogen peroxide acts as a catalyst oxidizing the copper. This is a very exothermic reaction and it can easily boil over if you don't keep an eye on it.

From skiing down a steep mountain, to playing the piano, the nervous system enables us to accomplish remarkable tasks. This video focuses on the amazing structures in the nervous system that allows humans to maintain and carry out a wide...

This video provides an overview of the structure of neurons, the primary cells of the nervous system, and how they come together to form a network. It explains the key components of a neuron, such as the cell body, dendrites, axon, and...

This is our first attempt at exploding arrows, we probably used a half ounce of black powder in the arrow itself. It was a carbon arrow. We removed the tip and replaced it with a large shotgun primer.

I saw these first in the...

When you eat a burrito, where does all that matter go? What about when matter changes phases, does any matter appear or disappear? When we talk about this sort of stuff, reality sometimes goes against our intuition, so we'd better make...

In this video we will look at a commonly used separation technique, which you may have already met in Chemistry, and see how it is applied in the synthesis of organic compounds as done in the pharmaceutical industry. Ideally a chemical...

Physical Science for Kids is the fun way to learn important facts about physical science and get ready for tests. Take a fascinating journey to the Super Science Station to learn about light and energy.

Students will learn why photosynthesis is so important to us. The different plant structures and compounds involved in photosynthesis and transpiration are highlighted. Beyond photosynthesis, plant responses to certain stimuli and...

Growing your own pure copper crystals is very easy.

You only need the follo
wing:
-A suitable container (flat walls are better, you can observe the growt
h better!)
-
Copper Sulfate.
-A power supply. 5 volts or less...

This live-action video program is about bioaccumulation. The program is designed to reinforce and support a student's comprehension and retention of the term through use of video footage, photographs, diagrams and colorful, animated...