This is an equilateral triangle. What makes a triangle equilateral? Equilateral triangles have all three sides exactly the same length. Because their sides are the same length, the three angles of an equilateral triangle are also [...]
This is a cylinder. What can you find around your house that's a cylinder? A cylinder is a circle moved through space to make a solid form. The ends are circles that [...]
A circle is the set of points on a plane that are all the same distance away from a center point. A circle is the set of points on a plane that are all [...]
Hubris definition: Aegisthus murdering Agamemnon Definition of hubris Hubris (HOO-briss) is a Greek word which we translate into English as "pride" or "arrogance." (You can also spell it hybris). What is [...]
The pediment is the triangular place under the roof of a Greek temple. Each temple has two pediments, one on the front and one on the back. They're always isosceles triangles. At [...]
Aristocrats fighting on an Athenian vase from the 500s BC Definition of oligarchy Oligarchy means the rule of the few, and those few are generally the people who are richer [...]
Khoisan painting at Springfontein, Zimbabwe Nomads are people who travel around from place to place without having one settled place where they live. Many are hunters and gatherers like the [...]
Monarchy definition: Narmer Palette, Ancient Egypt (about 3100 BC) What is a monarchy? A monarchy is a government where one person is in charge. That person can be a king [...]
What is an empire? The Akkadian Empire: Stele of Naram-Sin (about 2200 BC) Definition of an empire What is an empire? An empire is like a state, only with one [...]
A neutron star (from NASA) A neutron is a tiny particle like a proton, smaller than an atom. Like protons, neutrons are too small to see, even with an electron [...]
