USA Geography
Space & Earth Science
Math & Logic
Words, Grammar, & English Language Arts
History & Civics
100

What is the only U.S. state made up entirely of islands?

Hawaii

Hawaii is the southernmost U.S. state.

100

What gas do plants take in during photosynthesis?

Carbon dioxide (CO₂)

Plants also release oxygen as a “byproduct.”

100

If a rectangle is 8 units long and 3 units wide, what’s its area?

24 square units

Area is length × width.

100

What do you call a word that means the opposite of another word?

Antonym

“Hot” and “cold” are antonyms.

100

How many branches of the U.S. federal government are there?

3

Legislative, Executive, Judicial.

200

What is the longest river in the United States?

The Missouri River 

The Missouri is longer than the Mississippi; together they form a huge river system.

200

At sea level, water boils at what temperature (Celsius)?

100°C

At higher altitudes, water boils at a lower temperature.

200

What is the least common multiple (LCM) of 6 and 8?

24

Prime factors: 6=2×3, 8=2³ → LCM=2³×3.

200

In the sentence “She quickly ran,” what part of speech is “quickly”?

Adverb

It modifies the verb “ran.”

200

How many U.S. Senators are there in total?

100

Each state gets 2 senators regardless of population.

300

What is the largest U.S. state by area?

Alaska 

 Alaska is larger than the next three largest states (TX, CA, MT) combined. 

300

What is the name of the layer of Earth where weather happens?

The troposphere

Most clouds you see are in the troposphere.

300

A number is divisible by 9 if the sum of its digits is divisible by what number?

9

Example: 72 → 7+2=9, so 72 is divisible by 9.

300

What is a group of lines in a poem called?

A stanza

A stanza is like a “paragraph” of poetry.

300

What are the first 10 amendments to the Constitution called?

The Bill of Rights

They were adopted together in 1791.

400

What is the highest mountain in North America?

Denali 

Denali’s former official name was Mount McKinley.

400

Earth’s axis is tilted about how many degrees (relative to its orbit)?

About 23.5°

That tilt is the main reason we have seasons.

400

Solve: 5x − 10 = 25

x = 7

Add 10 to both sides, then divide by 5.

400

What’s the term for giving human traits to non-human things (e.g., “The wind whispered”)?

Personification

It’s a type of figurative language used a lot in poetry.

400

What fraction of both the House and Senate is required to override a presidential veto?

Two-thirds (2/3)

It’s intentionally high to ensure broad agreement.

500

Which Great Lake is the largest by surface area?

Lake Superior

“Superior” is also the coldest and deepest Great Lake.

500

Which layer of Earth is liquid and generates most of Earth’s magnetic field?

The outer core

Earth’s magnetic field helps deflect solar wind, which protects the atmosphere.

500

What is the probability of flipping exactly 2 heads in 3 fair coin flips?

3/8

There are 3 ways: HHT, HTH, THH out of 8 total outcomes.

500

Identify the literary device: “The sizzling sun sat on the silent city.”

Alliteration

Alliteration repeats starting consonant sounds, not necessarily letters.

500

How many amendments does the U.S. Constitution currently have?

27

The 27th limits when congressional pay changes can take effect.

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