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General
100

A tree that loses its leaves in the winter.

What is a deciduous tree?

100

The imaginary line at 0° longitude.

What is the Prime Meridian?

100

The past tense of seek.

What is sought?

100

The bending of light as it passes through different materials.

What is refraction?

200

The fear of public speaking.

What is glossophobia?

200

The tendency to favor information that confirms existing beliefs.

What is confirmation bias?

200

The number of amendments in the U.S. Constitution.

What is 27?

200

The location of the smallest bone in the body.

What is in the ear?

300

A boundary where two tectonic plates slide past each other.

What is a transform boundary?

300

A narrow strip of land connecting two larger landmasses.

What is an isthmus?

300

An intense, persistent fear of deep, vast, or dark bodies of water like oceans, seas, or lakes.

What is thalassophobia?

300

The process by which a substance changes directly from a solid to a gas, skipping the liquid phase.

What is sublimation?

400

Cutting a vegetable into thin strips.

What is a julienne cut?

400

The study of fungi.

What is mycology?

400

A low-lying, thin, gray cloud layer which may, if thick enough, produce drizzle, ice prisms, or snow grains.

What is a stratus cloud?

400

A story in which characters and events represent deeper moral, political, or religious meanings.

What is an allegory?