ATOMS
ELEMENTS
LAB INSTRUMENTS
CHEMICAL REACTIONS
ANATOMY
100

Most of the mass of an atom is here.

What is the nucleus?

100

This element's atomic number is 2.

What is helium?

100

This classic handheld tool is used to transfer precise, tiny volumes of liquid, often utilizing disposable plastic tips.

What is a micropipette?

100

What everyday chemical reaction is scientifically known as oxidation?

What is rusting?

100

This is the largest organ of the human body

What is the skin (integumentary system)?

200

Positively charged particle in an atom.

What is a proton?

200

This element makes up about 78% of Earth's atmosphere and its liquid form is used to freeze things instantly.

What is Nitrogen?

200

This conical flask, named after a German chemist, was designed prevent splashing while swirling.

What is the Erlenmeyer flask?

200

This is what pH stands for.

What is Power of Hydrogen?

200

This butterfly-shaped gland in the neck regulates the body's metabolism, temperature, and heart rate.

What is the thyroid gland?

300

This ancient Greek philosopher coined the term atomos, meaning "indivisible", theorizing that matter couldn't be cut into smaller pieces forever

Who is Democritus?

300

The only metal on the periodic table that is a liquid at standard room temperature and pressre

What is Mercury?

300

This is the average temperature an autoclave needs to properly sterilize lab equipment

What is 121°C (250°F)?

300

This is the name of a reaction that releases energy.

What is exothermic reaction?

300

This vascular structure provides collateral circulation to the brain.

What is the Circle of Willis?

400

This term describes variants of a particular chemical element that have the same number of protons but a different number of neutrons

What are isotopes?

400

This gas is named after the Greek word for "lazy" due to its chemical inactivity

What is Argon?

400

This device measures the intensity of light absorbed by a chemical substance to determine its concentration.

What is a spectrophotometer?

400

This law states that matter can neither be created nor destroyed.

What is the Law of Conservation of Mass?

400

This bone is capable of resisting forces up to 30 times an adult's body weight.

What is the femur?

500

Protons and neutrons are made up of these even smaller elementary paricles which come in flavors like "up" and "down"

What are quarks?

500

This is the heaviest element found naturally

Uranium

500

This device uses electrical resistance or light scattering to rapidly count and size microscopic cells suspended in a fluid.

What is a Coulter counter?

500

This "V" word means the conversion of lower-value products into higher-value products.

What is Valorization?

500

This U-shaped structure maintains a medullary osmotic gradient within the body.

What is the Loop of Henle?