Math
What is the mean of these numbers: 4, 8, 10, 12, 16?
What is the plural form of the word “cactus”?
Cacti
What are rhinoceros horns made out of?
Hair (or, as scientists call it, keratin)
Where is the smallest bone in the human body?
In the ear
What is the main purpose of the legislative branch of the U.S. government?
to make laws
An item costs $80 before tax. After 7.5% sales tax, what is the total cost?
$86 (80 × 1.075)
Combine these sentences using a relative clause: “I have a friend. He plays violin.”
I have a friend who plays violin.
What country’s flag has an eagle holding a snake on it?
Mexico
What is the difference between a physical change and a chemical change?
A physical change alters appearance, not composition (e.g., melting); a chemical change creates a new substance (e.g., rusting).
What do we call the first ten amendments to the U.S. Constitution?
the Bill of Rights
Solve for x: 2x - 7 = 3x + 5
x = -12
What is a dependent clause?
A group of words that has a subject and a verb but cannot stand alone as a complete sentence.
What is the highest-grossing movie of all time?
Avatar
What is the freezing point of water in Celsius and Fahrenheit?
0 degrees Celsius or 32 degrees Fahrenheit
What’s the name of the longest river in the world?
the Nile River
Solve: (2x + 3)(x – 4)
2x² - 5x - 12
Fix the punctuation and explain why: “Its going to rain today isn’t it”
“It’s going to rain today, isn’t it?” – Add apostrophe to “It’s” (contraction), comma before question tag, and question mark.
How much percent of the earth is covered in water?
70% of earth is covered with oceans. It’s mostly water.
What is one effect of deforestation on the carbon cycle?
Less carbon is absorbed from the air, increasing CO₂ in the atmosphere
How many states start with the letter W? Name them.
4: Washington, Wisconsin, West Virginia, Wyoming
The sum of three consecutive odd numbers is 69. What is the middle number?
23
How many minutes are in a full week?
10,080
How many ghosts chase Pac-Man at the start of each game?
4
How does a mutation in DNA potentially affect an organism?
It can change a protein’s structure or function, which may cause a trait to be altered or result in a genetic disorder.
How did the geography of the Nile River affect Ancient Egyptian civilization?
It provided fertile land for farming, transportation, and trade routes.