Math
This type of proof begins by assuming the opposite of what you want to prove.
Answer: What is proof by contradiction?
This scientist developed the uncertainty principle.
Answer: Who was Werner Heisenberg?
This African country has the highest population in Africa.
Answer: What is Nigeria?
I am invisible, I have no shape, but I can push ships across oceans and make flags move.
Answer: What is wind?
This global economic crisis began in 1929 and lasted through much of the 1930s.
Answer: What is the Great Depression?
This concept describes a function approaching a value without necessarily reaching it.
Answer: What is a limit?
This organelle is known as the powerhouse of the cell.
Answer: What is the mitochondria?
This country’s flag features a black, green, and gold X-shaped design.
Answer: What is Jamaica?
The more you take from me, the bigger I become.
Answer: What is a hole?
This ancient ruler created one of the largest empires in history across Asia in the 1200s.
Answer: Who is Genghis Khan?
This theorem relates the sides of a right triangle.
Answer: What is the Pythagorean Theorem?
Plants need this gas from the air to grow.
Answer: What is carbon dioxide?
Canada is larger in area than the United States. True or false
Answer: False
I am used every day, I show you things far away, and I can be found on a wall or in your hand.
Answer: What is a mirror?
This movement in the 14th–17th centuries revived art, science, and learning in Europe.
Answer: What is the Renaissance?
This shape has four equal sides.
Answer: What is a square?
This blood type is known as the universal donor.
Answer: What is O negative?
This river runs through the Grand Canyon.
Answer: What is the Colorado River?
I fall from the sky, I can be light or heavy, and I make the ground wet.
Answer: What is rain?
This country was involved in both World War I and World War II and lost both wars.
Answer: What is Germany?
This type of number cannot be divided evenly by two.
Answer: What is an odd number?
This layer of Earth lies directly beneath the crust.
Answer: What is the mantle?
In what biome would you find a cactus?
Desert
I have pages, a cover, and I tell stories without speaking.
Answer: What is a book?
This president is known as the “Father of His Country.”
Answer: Who is George Washington?