Which element has the atomic number 1?
hydrogen
What is the only even prime number?
2
Which is the tallest mountain in the world?
Mount Everest
Which U.S. state became the first to ratify the Constitution?
Delaware
What part of speech is the word 'happy'?
adjective
Which American author wrote the novels "The Adventures of Tom Sawyer" and "The Adventures of Huckleberry Finn"?
Mark Twain
What’s the world’s largest mammal?
blue whale
What ligament connects the femur to the tibia and helps stabilize the knee joint?
anterior cruciate ligament (ACL)
What celestial body, composed of ice and dust, forms a glowing tail when it passes near the Sun.
comet
What is the boiling point of water in degrees Fahrenheit?
212
What is an angle called if it’s greater than 90 degrees?
obtuse
Which of the Seven Natural Wonders of the World lies off the coast of Australia's Queensland?
The Great Barrier Reef
This University is the oldest institute of higher education in the United States and was founded in 1636.
Harvard
What is the central idea or message of a story called?
theme
Which composer is known for his famous "Symphony No. 5" and "Symphony No. 9," which includes "Ode to Joy"?
Ludwig van Beethoven
This biome is known for its dense canopy layer and high levels of biodiversity.
rainforest
Which body system is responsible for taking in oxygen and removing carbon dioxide from our bodies?
respiratory system
Which planet is the hottest in our Solar System?
Venus
What is the smallest unit of matter called?
atom
The pythagorean theorem was named after a philosopher from what country?
Greece
Which river is the longest in the United States?
The Missouri River
During the 1617-1619 time period, 90 percent of the Massachusetts Bay Indians died of which disease?
smallpox
What do we call words in a sentence that help us understand the meaning of an unfamiliar word?
context clues
What is the name of the protagonist in "The Hunger Games" series?
Katniss Everdeen
This dog breed has the best sense of smell among all mammals.
bloodhound
What organ is responsible for producing insulin and regulating blood sugar levels?
pancreas
What term refers to a massive explosion that occurs when a star reaches the end of its life cycle?
supernova
What is the force that resists motion when two objects rub against each other?
friction
What term refers to a line that divides an angle into two equal angles?
bisector
What freshwater lake (shared by Bolivia and Peru) is often referred to as the "Birthplace of the Incas"?
Lake Titicaca
Who was the European that led the expedition that was the first to arrive in what would eventually become the United States?
Juan Ponce de Leon
What genre describes a story that takes place in a time period earlier than the present called?
historical fiction
What drawing technique involves smudging the surface with a tool or fingertips to create seamless gradations of values?
blending
This egg-laying mammal is native to Australia.
platypus
What muscle is the largest and most powerful in the human body?
gluteus maximus
What constellation, known as "The Hunter," contains the bright stars Betelgeuse and Rige?
Orion
What is the process called when a plant loses water through its leaves?
transpiration
What is the term for a whole number that is not a fraction?
interger
England, Scotland, Wales, and this country are known as the United Kingdom?
Northern Ireland
What was the first major battle of the Civil War?
The First Battle of Bull Run
What is the term for words that sound alike but have different meanings?
homophones
What synthetic material, available in various colors, is used to create three-dimensional sculptures.
modeling clay
What term describes the process of an animal shedding its outer layer of skin or feathers?
molting
What is the rarest blood type among humans?
AB-negative
What is the name of the largest moon of Saturn?
Titan