Medicine
Engineering
Physics
Biology
Chemistry
100

The common name for the tibia bone.

Shinbone

100

The "L" in LiDAR stands for this.

Light

100

This physicist's most famous equation is E=mc^2.

Albert Einstein

100

The process by which plants turn sunlight into food.  

Photosynthesis

100

These subatomic particles have a negative charge and orbit the nucleus of an atom.

Electrons

200

This "master gland" at the base of the brain regulates growth.

Pituitary gland

200

In electrical engineering, this component limits the flow of current.

Resistor

200

Unit used to measure electrical resistance.

Ohm

200

Humans have this many pairs of chromosomes.

23

200

This is the most abundant gas in Earth's atmosphere.

Nitrogen

300

A sphygmomanometer is the tool a doctor uses to measure this.

Blood pressure

300

This triangle-heavy structure is used to support weight in bridges.

Truss

300

This physical constant is roughly 3.0 × 10^8 m/s.

Light

300

This molecule carries the genetic instructions for living things.

Deoxyribonucleic Acid(DNA)

300

On the pH scale, a value of 7 is considered ______.

Neutral/Water

400

It’s the medical term for a "heart attack."

Myocardial infarction

400

This alloy, primarily composed of iron and carbon, is the world's most recycled material.

Steel

400

This occurs when an unstable atomic nucleus emits radiation to lose energy.

Radioactive Decay

400

The "A" in the DNA base pairs stands for this.

Adenine

400

This bond involves the sharing of electron pairs between atoms.

Covalent Bond

500

These are the four chambers of the human heart.  

Left/Right Atria & Ventricles

500

In thermodynamics, this property is a measure of the "disorder" or randomness within a system.

Entropy

500

These particles make up matter and combine to form protons and neutrons.

Quarks

500

This protein in red blood cells is responsible for carrying oxygen.

Hemoglobin

500

This type of reaction releases energy, usually in the form of heat.

Exothermic