Henry Knox: Biography, Facts & Quotes

Learn about Henry Knox, who was a leading general in the Continental Army during the American Revolution and America’s first Secretary of War. Then you can test your knowledge with a quiz. Introduction When it comes to the Revolutionary War, Read More

Olecranon Bursitis: Definition & Treatment

Olecranon bursitis is a condition that affects the tip of the elbow and can make it look like there’s a golf ball sticking out of it. Read this lesson to learn how this develops, what causes it, and how it Read More

Limiting Reactants & Calculating Excess Reactants

In this lesson, you’ll learn what limiting reactant and excess reactant mean and how to determine which reactant is limiting in a chemical reaction when given the amount of each reactant. You’ll also discover how to calculate the amount of Read More

Amniotes: Definition and Evolutionary Characteristics

One of the more ‘recent’ evolutionary developments in vertebrates is a terrestrial egg. This adaptation allowed for even greater diversity in this branch of the Animal Kingdom, giving rise to organisms that could now live their entire lives on land. Read More

Identifying Types of Sentences

Our language has four types of sentences. Watch this video lesson to not only learn the four types but also to discover the tricks to identifying types of sentences. Types of Sentences We use sentences in our language to help Read More

Who was Aristotle? – Definition & Philosophy

Considered to be one of the most influential thinkers of Western culture, the ancient Greek philosopher Aristotle merged science and philosophy to develop a logical and virtuous means of understanding and living in our world. Defining Aristotle Born in northern Read More

What is a Typo? – Definition & Examples

Learn what a typo is as well as the various forms of typos that occur. Ever heard of an ‘atomic typo’? Probably not, but you’ll be able to identify it in your own writing after this lesson! Definition of a Read More