Algebra: This is the result when you solve for x in the equation 2x + 5 = 13.
What is 4?
Biology: This process, used by plants to make their own food, requires sunlight, water, and carbon dioxide.
What is photosynthesis?
Famous Athletes: This Jamaican sprinter, nicknamed "Lightning Bolt," holds the world record for both the 100-meter and 200-meter dash.
Who is Usain Bolt?
Parts of Speech: This part of speech modifies a verb, adjective, or another adverb, often ending in "-ly".
What is an adverb?
Nutrition: This food group, including items like bread and pasta, is the body's main source of energy.
What are carbohydrates?
Geometry: This shape has 8 vertices, 12 edges, and 6 faces.
What is a cube?
Chemistry: This noble gas is commonly used in colorful glowing signs and has the atomic number 10.
What is neon?
Individual Sports: This tennis Grand Slam tournament, known for its grass courts, is held annually in London.
What is Wimbledon?
Punctuation: This punctuation mark is used to indicate a pause or break in a sentence, separate items in a list, or set off introductory words.
What is a comma?
Exercise: This type of exercise, which includes activities like running and swimming, improves cardiovascular fitness.
What is aerobic exercise?
Arithmetic: The result of multiplying 6, 7, and 8 together.
What is 336?
Earth Science: This layer of the Earth lies between the crust and the core and makes up about 84% of the Earth's volume.
What is the mantle?
Sports History: In 1947, this baseball player broke the color barrier in Major League Baseball when he joined the Brooklyn Dodgers.
Who is Jackie Robinson?
Sentence Structure: This type of sentence contains two independent clauses joined by a coordinating conjunction like "and," "but," or "or".
What is a compound sentence?
Mental Health: This relaxation technique involves focusing one's mind on a particular object, thought, or activity to achieve mental clarity and emotional calmness.
What is meditation?
Word Problems: If a train travels at 60 miles per hour for 2.5 hours, this is how far it will go.
What is 150 miles?
Physics: According to this law, for every action, there is an equal and opposite reaction.
What is Newton's Third Law of Motion?
Team Sports: In this sport, a "hat trick" occurs when a player scores three goals in a single game.
What is soccer?
Common Errors: This pair of homophones is often confused: one means "to affect" while the other is a result or consequence.
What are "affect" and "effect"?
Human Body Systems: This organ, weighing about 3 pounds, controls all of the body's functions and interprets information from the outside world.
What is the brain?
Math in Real Life: This financial term refers to the additional money you earn on your initial investment and previously earned interest.
What is compound interest?
Famous Scientists: This Polish-French physicist and chemist discovered the elements radium and polonium, and won Nobel Prizes in both Physics and Chemistry.
Who is Marie Curie?
Olympic Games: This ancient Greek city was the site of the original Olympic Games and lends its name to the modern Olympics.
What is Olympia?
Vocabulary: In Disney's "The Little Mermaid," Ariel misuses this word, which means "feet," when trying to name the objects humans walk on.
What are "legs"? (Ariel calls them "what do you call 'em? Oh - feet!")
First Aid: This life-saving technique combines chest compressions and rescue breaths to maintain blood flow to the brain and other vital organs.
What is CPR (Cardiopulmonary Resuscitation)?