Astronomy
Geometry
Mountain Ranges
American Civil War Battles
Religious Texts
100

The third-biggest planet by diameter in our solar system.

What is Uranus?

100

A polygon with thirteen sides.

What is a tridecagon or triskaidecagon?

100

The longest mountain range in North America.

What are the Rocky Mountains?

100

The American Civil War battle that is often described as the war's turning point.

What is the Battle of Gettysburg?

100

The first part of the Jewish bible and the central and most important document of Judaism.

What is the Torah?

200

The event that occurs when the Moon passes directly behind Earth and into its shadow.

What is a lunar eclipse?

200

Two angles that add up to ninety degrees.

What is a complementary angle?

200

The mountain range that has Mont Blanc as its highest peak.

What are the Alps?

200

The state where the most American Civil War battles were fought.

What is Virginia?

200

The most ancient Hindu scriptures written in early Sanskrit and originating in ancient India.

What are the Vedas?

300

The closest dwarf planet to the Sun.

What is Ceres?

300

A regular, convex polyhedron.

What is a Platonic solid?

300

The mountain range containing the highest active volcano in the world.

What are the Andean Mountains?

300

A series of seven battles in the American Civil War that took place over seven days.

What were the Seven Days Battles?

300

The second book of the Bible.

What is Exodus?

400

The brightest star that is visible in the Earth's night sky.

What is Sirius (or more officially, Alpha Canis Majoris)?

400

The value that specifies how many times larger the image is than the object.

What is the scale factor?

400

The mountain range's name that derives from the Sanskrit phrase meaning 'adobe of snow'.

What are the Himalayas?

400

The month in which the first battle of the American Civil War was fought.

What is April?

400

The language that the Quran was originally written in.

What is the Arabic language?

500

The only planet in our solar system that rotates on its axis in a clockwise direction.

What is Venus?

500

The length of the side opposite an angle divided by the length of the adjacent side in a right triangle.

What is the tangent (tan) function?

500

The mountain range that lies northwest of the Taklamakan Desert.

What is the Tian Shan range?

500

An alternative name for the Battle of Antietam that was used in the Southern United States.

What was the Battle of Sharpsburg?

500

The religion that uses the Tao Te Ching as its fundamental text.

What is Taoism?