This video discusses three different methods that can be used to determine the amount of oxygen in the atmosphere. The speaker explains the importance of oxygen and its role in respiration, burning fuels, and obtaining useful products...

Let’s go BANANAS by carving into banana peels to make ART!

It explains causes for water pollution, international standards for drinking water, biomagnification, eutrophication.

A balanced carbon cycle produces as much CO2 as O2, and yet, there are 209,460 ppm of oxygen in the atmosphere and only 440 ppm of CO2 (up from the recent baseline of 275).



My first thought was that the CO2 is temporarily...

Learn about the process of photosynthesis.

This video explains the three main types of reactions that metals undergo: reactions with oxygen, reactions with acids, and reactions with water. The video provides word equations and examples of each type of reaction and notes any...

The video is a tutorial on electrolysis of aqueous solutions. The speaker introduces the basic rules for electrolysis of aqueous solutions and how to predict the products using those rules. The examples are given for different...

The video explains the components of blood, which include plasma, red blood cells, white blood cells, and platelets. It describes each component's role and how they work together to transport substances to and from body cells, defend...

A medical expert at the trial of ex-police officer Derek Chauvin has said that the activities of law enforcement officers resulted in George Floyd's death, according to the BBC.

Upon viewing the Needs of Living Things video series, students will be able to do the following: Explain that living things have the following characteristics: they are made up of one or more cells, carry out movement, grow, and develop....

This video is a lecture presentation on plants in extreme environments. The speaker begins by discussing the resources plants need to survive, such as light, water, carbon dioxide, and mineral ions. The process of photosynthesis is...

Upon viewing the Investigating Chemical Reactions video series, students will be able to do the following: Define a chemical reaction as a process in which substances undergo changes to produce new materials with different properties....

Lipid Biosynthesis Biosynthesis of Phosphatidic Acid and Triacylglycerols

I thought it would be fun to film propane balloons exploding in slow motion, and I tried popping them a bunch of different ways. I took some user suggestions like flying a drone with a sparkler attached into a balloon, and...

We are all familiar with common examples of mammals such as cats, dogs, and horses. Humans are also mammals. This action-packed series of videos illustrates the common characteristics of mammals while also exploring some of the major...

Rancidity refers to the complete or incomplete hydrolysis or oxidation of fats and oils when exposed to air, light, moisture, and bacterial activity; this generally occurs in food items, making them undesirable for consumption. In more...