Earth and Planets
Anatomy and Cells
Chemistry
Ecosystems
Random!
100

He came up with the theory of continental drift, but was discredited due to a lack of explanation for the mechanism behind the motion of the continental masses.

Who is Alfred Wegener?

100

Plant cells have this organ, but animal cells do not

What is the cell wall?

100

A power source created by splitting atoms

What is fission?

100

The largest threat to the Amazon rainforest today

What is deforestation?

100

The name for the skull bone

What is the cranium?

200

The substance with the smallest particle size

What is clay?

200

Bones united by fibrous tissue, such as the sutures in the skull

What are fibrous joints?

200

This element's symbol on the periodic table is K

What is potassium?

200

The place where salty ocean water and freshwater meets

What is an estuary?

200

A modern animal that dinosaurs are known to be closely related to

What are birds?
300

Rocks formed by deposition and solidification of sediments

What is sedimentary?

300

Molecules of solvent, like water, pass through the cell membrane via this process

What is osmosis?

300

The most common element in the atmosphere

What is nitrogen?

300

The place where salty ocean water and freshwater meets

What is an estuary?

300

The formula for ozone

What is O3?

400

A type of star that emits a low amount of light and has a small mass and size

What is a dwarf star?

400

The name for the "kneecap" bone in the skeletal system

What is patella?

400

According to quantum physics, it behaves like both a wave and a particle

What is an electron?

400

This is an ecosystem with frequent snow, a permafrosted soil, and only small plants.

What is tundra?
400

The method used in forensic science that separates pigments by placing a solution on paper and leaving the end of the paper in water

What is chromatography?
500

A tectonic plate boundary where the plates are coming together

What is a convergent boundary?

500

The name for the system including the skin

What is the integumentary system?

500

This principle states no two electrons can have the same quantum numbers, meaning a pair of electrons cannot have the same spin direction

What is the Pauli Exclusion Principle?

500

The ecosystem that covers 1/5 of the world

What is desert?

500

In epidemiology, the measure of frequency of new cases of a health condition in a period of time

What is incidence rate?