How do bodies digest all of the parts of a hamburger? An interesting video follows a hamburger through the digestive system, showing the pathway of digestion and explaining how each of the components of a hamburger—the bun, the meat, and...

This rock is on a roll! Introduce young geologists and environmentalists to the many uses of limestone using the fifth installment in a series of seven. Illustrate the components and properties of cement, mortar, and concrete,...

Polyatomic ions... where do I begin? One of the most difficult concepts for budding scientists to learn and recognize comes to life in an enlightening resource. Show pupils some demonstrations, via the sixth video in a series of 10, to...

How can you tell the difference between chemical compounds, when so many of them are white and powdery? The fifth installment in a series of ten videos exposes learners to flame tests and formation of insoluble compounds as methods...

How can a chemist tell what gas a chemical reaction produced? Part two of a ten-part series prompts pupils to discover a number of simple tests that can reveal the identity of a gas. The video reinforces the concepts of solubility,...

Did you know that different types of food are digested in different parts of the body? Proteins are primarily digested in the stomach, fats in the small intestine, and carbohydrates begin to break down in the mouth. This highly...

Colorful pictures and animation accompany a thorough explanation of the digestive process. Each anatomical part of the digestive system is explained as well as the chemical signals that are affiliated with digestion and absorption....

A quick, detailed explanation of digestion is given alongside textbook drawings of the mouth and intestines. This video would most likely help higher learners since there is no animation or simple explanations. Using scientific...

An example of titrating a strong acid, hydrochloric acid, with a strong base barium hydroxide. Learn how to calculate the unknown concentration when you don't have a 1:1 molar ratio of H+ to OH-. [7:50]

An example of calculating the pH before the equivalence point for titration of strong acid, hydrochloric acid, with strong base, NaOH. [10:12]

An example calculating the pH at and after the equivalence point for titration of strong acid, hydrochloric acid, with strong base, NaOH. [10:17]

This Khan video explains the Bronsted-Lowry definition of acids and bases and conjugate acids and bases. [8:56]

This video explains how the stomach works using diagrams. [5:57]

This video shows examples of different kinds of neutralization reactions and analyzes the pH of the resulting salt solution. [7:32]

This video shows how to calculate the pH at and after the equivalence point for titration of strong acid, hydrochloric acid, with strong base, NaOH.