Biology
Chemistry
Earth/Space
Math
Engineering & Technology
100

What organelle contains most of a eukaryotic cell's genetic material?

Nucleus

100

What subatomic particle determines an element's atomic number?

Proton

100

This type of rock forms when magma or lava cools and solidifies.

Igneous rock

100

The sum of the interior Euclidean triangle  is this many degrees?

180 degrees

100

This simple machine consists of a rigid bar that pivots around a fixed point.

Lever

200

During protein synthesis, this molecule carries the genetic instructions from DNA to the ribosome.

mRNA

200

What is a covalent bond?

This type of bond forms when atoms share electrons.

200

A star's color is most directly related to ____.

Surface temperature

200

1 - sin^2(x) = ____?

cos^2(x)

200

This material property describes resistance to being scratched or indented.

Hardness

300

This type of cell division produces four genetically distinct haploid cells.

Meiosis

300

What is a substance that speeds up a reaction without being consumed called?

Catalyst

300

The boundary around a black hole beyond which light cannot escape is called the ____.

Event Horizon

300

A vector perpendicular to every vector in a given plane is called ____.

The normal vector

300

In computing, this binary digit can take a value of either 0 or 1.

A bit

400

Enzymes speed up chemical reactions by lowering this energy barrier.

Activation energy

400

These weak intermolecular forces arise from temporary fluctuations in electron distribution.

London dispersion forces

400

This boundary occurs when one tectonic plate is forced beneath another into the mantle.

Subduction zone

400

A matrix with determinant equal to zero is described by this term and does not have an inverse.

Singular

400

This principle states that pressure applied to a confined fluid is transmitted throughout the fluid.

Pascal's principle

500

This evolutionary process causes random changes in allele frequencies and has especially strong effects in small populations.

Genetic Drift

500

This principle predicts how a system at equilibrium responds when concentration, pressure, or temperature is changed.

Le Chatelier's principle

500

This remnant can form after the core collapse of a massive star if it is not massive enough to become a black hole.

Neutron star

500

What is the harmonic series?

1 + (1/2) + (1/3) + (1/4) + ...

500

The dimensionless number in fluid mechanics compares inertial forces to viscous forces.

Reynolds number