How many days are in a leap year?
366
This instrument measures earthquakes.
A seismograph
This landform is a large area of flat land.
A plain
The primary colors mix to make purple.
Red and Blue
The religious wars fought over Jerusalem.
The Crusades
This is the largest mammal in the world.
The blue whale
The largest planet in our solar system.
Jupiter
The country whose flag features a red maple leaf.
Canada
A story told through pictures and dialogue bubbles.
A comic strip
This ancient civilization is known for developing democracy.
Ancient Greece
The amount of hearts an octopus has.
3
The specialized cells in the eye responsible for color vision.
Cones
The southernmost continent on Earth.
Antarctica
Salvador Dalí is associated with this art movement.
Surrealism
This empire was centered in modern-day Peru.
The Inca Empire
A ramp is an example of this simple machine.
An inclined plane
An organism that can produce its own food, usually through photosynthesis.
Autotroph
This line marks 0° longitude.
Prime Meridian
The author who created the characters Sherlock Holmes and Dr. Watson.
Sir Arthur Conan Doyle
The only U.S. President to serve more than two terms.
This planet rains diamonds, according to scientists. (2 acceptable answers)
Neptune (also Uranus acceptable)
The term for a chemical element with the same number of protons but different number of neutrons.
Isotope
This European city is known as “The Eternal City”.
Rome
This is a painting technique where the artist uses small, distinct dots of color to form images.
Pointillism
This mechanical device was invented by Johannes Gutenberg to help spread knowledge.
The printing press