This river is the longest in the United States.
What is the Missouri River?
What is the perimeter of a rectangle with a length of 8 units and a width of 3 units?
What is 22 units?
(Perimeter = 2 × (8 + 3) = 2 × 11 = 22)
The process by which plants make their own food is called this.
What is photosynthesis?
The first president of the United States.
Who is George Washington?
The opposite of "happy."
What is sad?
This state is home to the Grand Canyon.
What is Arizona?
What is the value of 8 × 7?
What is 56?
This planet is the fourth from the Sun and is known for its red appearance.
What is Mars?
This document declared American independence from Britain in 1776.
What is the Declaration of Independence?
The main character in a story is often called the "protagonist" or this.
What is the hero?
The capital city of the United States.
What is Washington, D.C.?
If you have 3/4 of a pizza and eat 1/2 of it, how much pizza is left?
What is 1/4 of a pizza?
(3/4 - 1/2 = 1/4)
The solid outer layer of the Earth is called this.
What is the crust?
The famous ship that sank after hitting an iceberg in 1912.
What is the Titanic?
This punctuation mark is used at the end of a question.
What is a question mark?
The state known as the "Sunshine State."
What is Florida?
What is the area of a triangle with a base of 10 units and a height of 5 units?
What is 25 square units?
(Area = 1/2 × base × height = 1/2 × 10 × 5 = 25)
This type of animal lays eggs and is cold-blooded.
What is an amphibian?
(Note: Amphibians include frogs, but reptiles like lizards and snakes also lay eggs.)
This leader was known for his "I Have a Dream" speech.
Who is Martin Luther King Jr.?
A type of poem with 14 lines and a specific rhyme scheme is called this.
What is a sonnet?
The Great Lakes are shared by the U.S. and this country to the north.
What is Canada?
What is the greatest common factor of 36 and 60?
What is 12?
(Factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, 36; Factors of 60: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60)
This force pulls objects toward the center of the Earth.
What is gravity?
This historical figure is known for her role in the Underground Railroad.
Who is Harriet Tubman?
This is the term for words that have the same meaning.
What is a synonym?