Earth
Bio
Chem
Physics
Fun/random
100

Which mineral is the reference mineral for 1 on the mohs hardness scale?

What is talc?

100

What process in mitochondria generates ATP?

What is cellular respiration?

100

What is the third element on the periodic table?

What is lithium?

100

What law states that an object maintains its state of rest or uniform motion unless acted upon by a net external force?

What is Newton's First Law of Motion?

100

What is the smallest country in the world?

What is Vatican City?

200

What is the closest major spiral galaxy to Earth?

What is Andromeda?

200

What are the four valves in the heart?

What are bicuspid, tricuspid, aortic, and pulmonary?

200

What type of reaction causes the reactant to experience a net loss of electrons?

What is oxidation?

200

What theorem states that the net work done on an object is equal to its change in kinetic energy?

What is the Work-Energy Theorem?

200

What is this?

What is a fish? or What is a stonefish?

300

What is the largest object in the asteroid belt between Mars and Jupiter, and what is it classified as?

What is Ceres and dwarf planet?

300

What is the name of the phenomenon where individuals help other individuals of the same species to increase their reproductive fitness while decreasing their own?

What is altruism?

300

In paper chromatography, what is the term calculated by dividing the distance traveled by the component by the distance traveled by the solvent?

What is retention factor?

300

What quantity is conserved in an isolated system when the net external torque is zero?

What is angular momentum?

300

What snack is composed of celery stuffed with peanut butter and topped with raisins?

What is ants on a log?

400

What is the name for the southern supercontinent that began to break apart around 200 million years ago? Hint: its northern counterpart is Laurasia

What is Gondwana?

400

What is the main plasma protein responsible for colloid osmotic pressure in blood vessels?

What is albumin?

400

What constant is described by 1.38 x 10-23 J/K?

What is Boltzmann's Constant?

400

According to this law, the induced current in a circuit produces a magnetic field that opposes the change in magnetic flux that created it.

What is Lenz's Law?

400
How many keys does a standard modern piano have?

What is 88 keys?

500

What is the name for the ocean layer where water density changes rapidly with depth?

What is pycnocline?

500

What is one possible reducing agent used in SDS PAGE to break disulfide bonds?

What is beta-mercaptoethanol? or What is DTT?

500

Ketones do not typically react in Fehling's test. However, this specific sub-class of ketones, commonly found in sugars like fructose, is a notable exception. What is it?

What are alpha-hydroxy-ketones?

500

This theorem relates the net electric flux through a closed surface to the total electric charge enclosed by that surface divided by the permittivity of free space.

What is Gauss's Law?

500

What is the name of the heaviest burger McDonalds has ever sold?

What is the Big Arch?

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