Astronomy and Space
Advanced Language Arts
Earth Systems
Government and Law
Science Thinkers
400

This planet has the shortest year in our solar system.

What is Mercury?

400

The point of view using “I” is called this.

What is first-person narration?

400

This layer of Earth is liquid and generates the magnetic field.

What is the outer core?

400

This branch interprets laws.

What is the judicial branch?

400

He proposed evolution by natural selection.

Who is Charles Darwin?

800

This event occurs when the Moon blocks the Sun.

What is a solar eclipse?

800

A comparison without using “like” or “as.”

What is a metaphor?

800

This cycle moves water through evaporation and precipitation.

What is the water cycle?

800

This amendment abolished slavery in the U.S.

What is the 13th Amendment?

800

He introduced the concept of inertia.

Who is Galileo Galilei?

1200

This term describes the path a planet follows around a star.

What is an orbit?

1200

This literary device gives human traits to objects.

What is personification?

1200

This boundary separates tectonic plates.

What is a fault line?

1200

This principle prevents one branch from gaining too much power.

What is checks and balances?

1200

He developed a system for classifying living organisms using genus and species.

Who is Carl Linnaeus?

1600

This is the boundary where Earth’s atmosphere fades into space.

What is the Kármán line?

1600

The struggle between a character and society is this type of conflict.

What is external conflict?

1600

This scale measures earthquake strength.

What is the Richter scale?

1600

This type of government is ruled by elected representatives.

What is a republic?

1600

This scientist explained gravity as spacetime curvature.

Who is Albert Einstein?

2000

This theory explains the origin of the universe.

What is the Big Bang Theory?

2000

A word that imitates a sound, like “buzz.”

What is onomatopoeia?

2000

This gas is most responsible for the greenhouse effect.

What is carbon dioxide?

2000

This document outlines citizens’ rights in the U.S.

What is the Bill of Rights?

2000

She discovered radioactivity with her husband.

Who is Marie Curie?