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Random
100

What is 262 ?

676

100

What is the largest organ in the human body?

Skin

100

What simple machine is a ramp an example of?

Inclined Plane


100

What is the molecular geometry of methane (CH₄)?

Tetrahedral

100

What is the capital of Japan?

Tokyo

200

What is the sum of the first 100 positive integers?

(5050, using the formula n(n+1)/2)

200

Which blood type is considered the universal donor?

O-negative

200

What is the unit of electrical resistance?

Ohn

200

What is the electron configuration of Chromium (Cr)?

([Ar] 4s¹ 3d⁵ due to electron stability exceptions)

200

Who painted the Mona Lisa?

Leonardo Da Vinci


300

What is the limit of (sin x)/x as x approaches 0?

1

300

What enzyme is deficient in people with lactose intolerance?

Lactase

300

What is the most commonly used metal in electrical wiring?

Copper

300

What is the name of the effect where increasing reactant concentration shifts equilibrium position?

Le Chatelier’s Principle

300

What is the hardest natural substance on Earth?

Diamond

400

Solve for x: log⁡2(x)+log⁡2(x−2)=3


x=4

400

What part of the brain controls balance and coordination?

Cerebellum

400

What kind of bridge design uses cables attached to towers for support?

Suspension bridge

400

What is the name of the process used to separate isotopes of uranium for nuclear reactions?

Gas diffusion or gas centrifuge enrichment

400

Which planet is known as the "Red Planet"?

Mars

500

Find the radius of convergence of the power series ∑xn/n

1, using the root test or ratio test

500

What is the name of the process where white blood cells engulf and digest harmful microbes?

Phagocytosis

500

What type of heat transfer occurs through electromagnetic waves?

Radiation

500

What is the Gibbs free energy equation?

ΔG = ΔH - TΔS

500

What is the longest river in the world?

Nile River—some sources also claim Amazon!