It explains the use and amount of water needed in our daily life and identifies the various sources of water.

In this video students will come to understand how matter and energy can interact through the four fundamental forces: gravity, electromagnetic, strong nuclear, and weak nuclear. Viewers will learn how the four fundamental forces were...

Remember those pesky iceboxes? Weak acids and bases establish equilibria, so we have to do iceboxes to figure out things about them. But don't worry, buffers are neat.

No Breathing In Class - Read by Michael Rosen fro The Hypnotiser<br/>

In this video we will look at covalent bonds in methane, ammonia, water and hydrogen fluoride. They are small, covalently-bonded molecules. The atoms within them share electrons because they have half full or more than half full valence...

It explains the ionisation of acids and bases. It explains the term conjugate acids and bases. It derives the expression to calculate ionic product of water.

Earth Science for Kids is the fun way to learn important facts about earth science and prepare for tests. Take a fascinating journey to the Super Science Station to learn about plate tectonics.

Learn the basics about strong and weak acids, and how they differ. Strong acids are often used in School Science labs for experimentation but they have important uses in industry and the everyday world. Sulphuric acid for example is...

In this video, I explain the parts (i.e., muscles) of the rotator cuff, their origins and insertions, and their functions.

A 26-YEAR-OLD woman with a rare condition that makes her look decades older is challenging beauty standards by becoming a model. Hoping to break into the modelling industry, Sara Geurts from Minneapolis, Minnesota, is determined to carve...

The Crimea Referendum of 2014 is over with voters backing secession from Ukraine to join Russia. Meanwhile, violence and protests escalate across the region as the presence of Russian troops has Ukrainians feeling the Russia has invaded...

An acid is a substance that will dissociate in water to give a proton (or H+ ion) and a conjugate base. An acid is considered to be strong if dissociation nears 100%, and weak if dissociation is usually less than 1%. In this lesson, we...

In this video, the teacher explains the process of drafting a thesis statement for an argumentative essay. They emphasize the importance of clearly stating a position and providing supporting reasons. The teacher also provides an example...

In this English pronunciation lesson, you can see everything you need to think about in order to pronounce one English sentence correctly.



You’ll see that there’s a lot to think about, even in just one sentence!...

Molecules make you think of chemistry, right? Well, they also are very important in biology too. In this video we are going to look at carbohydrates, proteins and lipids. When I say lipids, I am talking about fats and oils. Life...

Writers craft opinion statements that are debatable. Let's practice crafting a debatable opinion statement by making sure the statement takes a side and is not a fact.

You may be familiar with permanent magnets—the kind that hang on a refrigerator. But did you know that other magnets, called electromagnets, can be turned on and off? When turned on, electromagnets act just like permanent magnets, but if...

This video explains how to create and interpret scatter plots to analyze the relationship between two quantitative variables. It demonstrates how to plot points on a coordinate plane, identify different patterns in scatter plots, and...

Learn how to use and maniupulate adjectives in Spanish. This clip is part 4 in the series 'Learning Spanish: Beyond the Basics'.

This live-action video program is about the word Confederal Government. The program is designed to reinforce and support a student's comprehension and retention of the word Confederal Government through use of video footage, photographs,...