What is the only U.S. state made up entirely of islands?
Hawaii
Hawaii is the southernmost U.S. state.
What gas do plants take in during photosynthesis?
Carbon dioxide (CO₂)
Plants also release oxygen as a “byproduct.”
If a rectangle is 8 units long and 3 units wide, what’s its area?
24 square units
Area is length × width.
What do you call a word that means the opposite of another word?
Antonym
“Hot” and “cold” are antonyms.
How many branches of the U.S. federal government are there?
3
Legislative, Executive, Judicial.
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.
At sea level, water boils at what temperature (Celsius)?
100°C
At higher altitudes, water boils at a lower temperature.
What is the least common multiple (LCM) of 6 and 8?
24
Prime factors: 6=2×3, 8=2³ → LCM=2³×3.
In the sentence “She quickly ran,” what part of speech is “quickly”?
Adverb
It modifies the verb “ran.”
How many U.S. Senators are there in total?
100
Each state gets 2 senators regardless of population.
What is the largest U.S. state by area?
Alaska
Alaska is larger than the next three largest states (TX, CA, MT) combined.
What is the name of the layer of Earth where weather happens?
The troposphere
Most clouds you see are in the troposphere.
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.
What is a group of lines in a poem called?
A stanza
A stanza is like a “paragraph” of poetry.
What are the first 10 amendments to the Constitution called?
The Bill of Rights
They were adopted together in 1791.
What is the highest mountain in North America?
Denali
Denali’s former official name was Mount McKinley.
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.
Solve: 5x − 10 = 25
x = 7
Add 10 to both sides, then divide by 5.
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.
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.
Which Great Lake is the largest by surface area?
Lake Superior
“Superior” is also the coldest and deepest Great Lake.
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.
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.
Identify the literary device: “The sizzling sun sat on the silent city.”
Alliteration
Alliteration repeats starting consonant sounds, not necessarily letters.
How many amendments does the U.S. Constitution currently have?
27
The 27th limits when congressional pay changes can take effect.