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9th Grade Trivia
Challenge your freshman-year knowledge with questions spanning biology, algebra, world history, English literature, earth science, and more โ everything a 9th grader should know.
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Questions (150 of 150)
๐กmedium
What is the Pythagorean theorem formula?
๐ขeasy
Which war was fought between the North and South in the United States?
๐ขeasy
What is the term for a word that means the opposite of another word?
๐ขeasy
Which ocean is the largest?
๐ดhard
Who wrote 'The Canterbury Tales'?
๐กmedium
What is the formula for the circumference of a circle?
๐กmedium
What novel by George Orwell depicts a dystopian future under totalitarian rule?
๐ขeasy
What is the largest continent by area?
๐กmedium
What layer of Earth's atmosphere do we live in?
๐ขeasy
What type of triangle has all three sides equal?
๐ขeasy
Who was the first President of the United States?
๐ขeasy
Who wrote 'To Kill a Mockingbird'?
๐กmedium
What is the term for a government ruled by a king or queen?
๐ขeasy
What is the term for the distance around a circle?
๐ขeasy
In the equation y = mx + b, what does 'm' represent?
๐กmedium
What empire was ruled by Julius Caesar?
๐ขeasy
What is the longest river in the world?
๐กmedium
What is the quadratic formula used to solve?
๐ขeasy
What gas do plants absorb from the atmosphere during photosynthesis?
๐ดhard
What is the conjugate of the complex number 3 + 4i?
๐ขeasy
What force keeps us on the ground?
๐ขeasy
How many chromosomes do humans have?
๐กmedium
What number system is based on powers of 2?
๐ดhard
What is the name of the process by which organisms best adapted to their environment survive and reproduce?
๐ขeasy
What is the term for matter that has a definite volume but no definite shape?
๐กmedium
What are the building blocks of proteins?
๐ขeasy
What is the subject in the sentence: 'The cat sat on the mat'?
๐ดhard
What was the main cause of the Peloponnesian War?
๐ขeasy
What is the chemical formula for water?
๐ขeasy
In which year did World War I begin?
๐กmedium
What is the function of the ribosomes in a cell?
๐ขeasy
What is the smallest prime number?
๐กmedium
What is the sum of the interior angles of a quadrilateral?
๐กmedium
What vitamin does the body produce when exposed to sunlight?
๐ขeasy
What is the value of pi rounded to two decimal places?
๐ดhard
What structure in the cell is responsible for packaging and shipping proteins?
๐ดhard
What is the difference between an endothermic and exothermic reaction?
๐กmedium
In what year was the U.S. Constitution ratified?
๐กmedium
What process do cells use to divide and create two identical copies?
๐ดhard
What ancient Greek philosopher wrote 'The Republic'?
๐กmedium
What civilization is credited with inventing the first writing system, cuneiform?
๐กmedium
What type of bond involves the sharing of electrons between atoms?
๐ขeasy
What is the process by which plants make food using sunlight?
๐ดhard
In biology, what is the term for the observable physical traits of an organism?
๐ขeasy
What is the formula for the area of a rectangle?
๐กmedium
What literary term describes a recurring symbol or idea in a work of literature?
๐กmedium
What is the term for a comparison between two unlike things without using 'like' or 'as'?
๐ขeasy
What is the main conflict in a story called?
๐กmedium
What is the name of the scale used to measure earthquake intensity?
๐ดhard
What is the molarity of a solution that contains 2 moles of solute in 500 mL of solution?
๐กmedium
Who was the leader of the Protestant Reformation in Germany?
๐ขeasy
What is the outermost layer of the Earth called?
๐ดhard
What is Avogadro's number approximately equal to?
๐กmedium
What is the pH of pure water?
๐กmedium
What treaty ended World War I?
๐กmedium
Who wrote 'The Odyssey'?
๐ขeasy
What part of speech is a word that describes a noun?
๐ขeasy
What does the term 'democracy' literally mean?
๐กmedium
What ancient trade route connected China to the Mediterranean?
๐ดhard
What battle in 1066 led to the Norman conquest of England?
๐ขeasy
What continent is Egypt located on?
๐กmedium
What narrative point of view uses 'I' and 'me'?
๐กmedium
What literary device is an exaggeration for emphasis?
๐กmedium
What is the value of the expression 3โด?
๐ดhard
What phenomenon explains why a moving observer measures a different frequency of sound than a stationary one?
๐ขeasy
What type of rock is formed from cooled lava or magma?
๐กmedium
What type of cell division produces sex cells (gametes)?
๐ดhard
What is the name of the theorem that states every polynomial equation of degree n has exactly n roots (counted with multiplicity)?
๐ดhard
What is the name of the supercontinent that existed about 300 million years ago?
๐ดhard
What Enlightenment philosopher wrote 'Two Treatises of Government'?
๐ดhard
What is the half-life of carbon-14 used in radiocarbon dating?
๐ดhard
What period in European history is known as the 'Age of Reason'?
๐ขeasy
What is the slope of a horizontal line?
๐กmedium
What is the difference between mass and weight?
๐ดhard
What mathematical concept describes a ratio that compares a number to 100?
๐ดhard
What literary movement emphasized emotion, nature, and individualism in the late 18th century?
๐ดhard
What concept in economics describes the next best alternative foregone when making a choice?
๐ขeasy
What is the freezing point of water in degrees Fahrenheit?
๐กmedium
What is the term for the movement of molecules from high concentration to low concentration?
๐ดhard
What is an unreliable narrator in literature?
๐ขeasy
What is the basic unit of life?
๐ดhard
What is the complementary base pair for adenine in DNA?
๐ดhard
What is the law of conservation of mass?
๐ดhard
What is the process by which RNA is made from a DNA template?
๐กmedium
What structure in plant cells is not found in animal cells?
๐ดhard
What is iambic pentameter?
๐กmedium
What economic system is based on private ownership and free markets?
๐ดhard
What document, signed in 1215, limited the power of the English king?
๐ขeasy
Who wrote the play 'Romeo and Juliet'?
๐กmedium
What is the least common multiple of 6 and 8?
๐ขeasy
What is the boiling point of water in degrees Celsius?
๐กmedium
What is the distributive property?
๐ขeasy
What figure of speech compares two things using 'like' or 'as'?
๐ดhard
What is the formula for the volume of a cylinder?
๐กmedium
What event in 1789 marked the beginning of the French Revolution?
๐ดhard
What is the electron configuration of the element sodium (Na)?
๐ดhard
What is the irrational number represented by the square root of 2 approximately equal to?
๐ดhard
What year did the Byzantine Empire fall to the Ottoman Turks?
๐ดhard
What is the term for the minimum amount of energy required to start a chemical reaction?
๐ขeasy
What are the three states of matter?
๐กmedium
In Shakespeare's 'Julius Caesar,' who says 'Et tu, Brute?'?
๐ดhard
What is the standard form of a linear equation?
๐ดhard
What is the function of transfer RNA (tRNA) in protein synthesis?
๐ดhard
What was the significance of the Gutenberg printing press, invented around 1440?
๐ดhard
What is the value of sin(90ยฐ)?
๐กmedium
What gas makes up about 78% of Earth's atmosphere?
๐ดhard
In what year did the Magna Carta first limit royal authority in England?
๐กmedium
What is the charge of a proton?
๐ดhard
What is the Mohs scale used to measure?
๐ขeasy
What is the main function of red blood cells?
๐ดhard
What type of function has a graph that forms a U-shape or parabola?
๐ขeasy
What organelle is known as the powerhouse of the cell?
๐ขeasy
What is a synonym?
๐ขeasy
How many degrees are in a triangle?
๐ขeasy
What is the largest organ of the human body?
๐ดhard
What is the relationship between frequency and wavelength of a wave?
๐กmedium
What is absolute value?
๐ดhard
In algebra, what is the discriminant of a quadratic equation?
๐กmedium
What is the role of chlorophyll in photosynthesis?
๐ดhard
What political system did Montesquieu advocate that influenced the U.S. Constitution?
๐กmedium
What is the greatest common factor of 24 and 36?
๐กmedium
What is the term for the highest point of a story's action?
๐ขeasy
What literary device gives human qualities to non-human things?
๐ขeasy
What planet is known as the Red Planet?
๐ขeasy
What is the product of any number multiplied by zero?
๐ขeasy
Which element has the chemical symbol 'Fe'?
๐กmedium
What is the point where the x-axis and y-axis meet on a coordinate plane?
๐กmedium
What organelle contains the cell's genetic material?
๐กmedium
What ancient civilization built the pyramids at Giza?
๐กmedium
What type of plate boundary causes earthquakes when plates slide past each other?
๐ดhard
What rhetorical device involves repeating the same word or phrase at the beginning of successive clauses?
๐ดhard
What is a punnett square used to predict?
๐ขeasy
What is the result of 7 ร 8?
๐ดhard
What is the Hardy-Weinberg principle used to study?
๐ดhard
What is the name for a polynomial with exactly three terms?
๐ดhard
What is the oxidation state of oxygen in most compounds?
๐ดhard
What novel by Mary Shelley is considered the first science fiction story?
๐ดhard
What enzyme unzips the DNA double helix during replication?
๐กmedium
What is the universal solvent?
๐กmedium
What type of organism can make its own food?
๐ขeasy
What is 15% of 200?
๐ดhard
What is the atomic number of carbon?
๐ขeasy
What is DNA an abbreviation for?
๐ขeasy
What document declared American independence from Britain?
๐ขeasy
What was the Renaissance?
๐ขeasy
What type of blood vessel carries blood away from the heart?
๐กmedium
What is an independent clause?
๐กmedium
What is the reciprocal of 5?
๐ดhard
In 'Lord of the Flies' by William Golding, what does the conch shell symbolize?
๐ขeasy
What is the chemical symbol for oxygen?
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