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Moon Exploration

Watch this video that summarizes recent lunar explorations to map the moon's surface and look for evidence of water ice on the Moon.

Grammar Song: Pronouns

A pronoun is a word that takes place of a noun. Watch this video to learn how to properly use pronouns such as me, I, and she.

meteorology

(Encyclopedia) meteorology, branch of science that deals with the atmosphere of a planet, particularly that of the earth, the most important application of which is the analysis and prediction of…

Grammar Song: Types of Nouns

A noun is a word that names a person, animal, place, or thing. Watch this grammar video to learn about common nouns, proper nouns, and appositives.

What Is a Food Chain?

Watch this video to learn about food chains. A food chain shows how energy moves from one living thing to another.

Mussolini: the Great Supporter

Find information and watch a short video about Benito Mussolini, Italy's fascist Prime Minister and Hitler's fellow instigator of World War II.

Which Bird Beak Can Crush Seeds?

Let's examine bird beak anatomy. Which bird beak can crush seeds: a heron's or a cardinal's? Watch the animation in the video to answer this question.

Adolf Hitler: Germany's New Chancellor

Watch this video about how Germany reacts to the end of World War I and the Treaty of Versailles by electing Adolf Hitler as chancellor, who vows to disassemble its democracy.