Basic Knowledge
Geography
Science
Algebra
Riddles
100

Small pieces of rock that create large, beige pile ups due to years erosion.

What is sand?

100

This line divides the Earth into the Northern and Southern Hemisphere.

What is the equator?

100

This type of rock forms when lava or magma is cooled.

What is igneous rock?

100

When multiplied by itself and doubled, this number is the same.

What is 2?
100

I have a heart but no other organs.

What is a deck of cards?

200

The plural form of the spiky green plant found in deserts.

What are cacti?

200

This is the longest river in Egypt.

What is the Nile River?

200

This process allows plants to turn sunlight into food.

What is photosynthesis?

200

Solve for x.

x/6 = 8

x = 48

200

I run along a yard, but never move.

What is a fence?

300

The round, single glass lense that Mr. Peanut and other rich people wear.

What is a monocle?

300

These two oceans touch the United States.

What are the Pacific and Atlantic Oceans?

300

This is the largest organ of the body.

What is skin?

300
Solve for x.

2(3x-4) = 4(x+1)

x = 6

300

I have keys but no locks, space but no room, and can be entered, but you can not go inside.

What is a keyboard?

400

The back part of a pickup truck that is often filled with tools, wood, and other building supplies.

What is a truck bed?

400

The Great Wall of China, Petra, the Colosseum, Chichén Itzá, Machu Picchu, the Taj Mahal, and Christ the Redeemer make up this list.

What are the Seven Wonders of the World?

400

This gas makes up most of the Earth's atmosphere.

What is nitrogen?

400

Solve for x.

2x^2 + 3 = 35

x = 4

400

The more you take, the more you leave behind.

What are footsteps?

500

Racecar, mom, and radar are all examples of words that are spelt the same forwards and backwards.

What is a palindrome?

500

This continent has the most countries in the world, totaling 54 countries.

What is Africa?

500

This gas allowed animals to grow to much larger sizes during the Mesozoic era.

What is oxygen?

500

What is the coordinate; (x,y)

y=2x+3

y=x+7

(4,11)

500

I'm taken from a mine and shut up in a wooden case, from which I'm never released, and yet I am used by almost everyone.

What is pencil graphite?