Biology
What is the largest organ in the human body?
What is the main component of Earth's atmosphere?
Nitrogen
What is the name of the largest planet in our solar system?
Jupiter
What is the name of the largest ocean on Earth?
The Pacific Ocean
Which scientist developed the theory of relativity?
Albert Einstein
Which part of the plant absorbs sunlight to make food?
Leaves
Which element is represented by the symbol Au?
Gold
What is the name of the star at the center of our solar system?
The Sun
What is the name for the process in which rock and soil are broken down by wind, water, or ice?
Weathering
Who is known for his work on gravity and the laws of motion?
Isaac Newton
What process do plants use to convert light energy into chemical energy?
Photosynthesis
What is the name for the scale used to measure how acidic or basic a substance is?
The pH scale.
Which planet is known for its prominent system of rings?
Saturn
What is the name for a deep valley with steep sides, often formed by a river?
A canyon
Who is known as the "father of genetics"?
Gregor Mendel
What is the process by which a cell divides into two identical daughter cells?
Mitosis
What is the most common metal in the Earth's crust?
Aluminum
What is the name of the famous comet that is visible from Earth every 75-76 years?
Halley's Comet
What is the name for the underground layer of rock or soil that holds groundwater?
An aquifer
Who is known for her work on radioactivity and was the first woman to win a Nobel Prize?
Marie Curie
What is the name of the cell structure responsible for generating most of the chemical energy needed to power the cell's biochemical reactions?
Mitochondria
What is the name for the principle that states that at a constant temperature and pressure, the volume of a gas is directly proportional to the number of moles of the gas?
Avogadro's Law
What is the name of the astronomical unit of distance equal to about 3.26 light-years?
A parsec
What is the name for the boundary between two tectonic plates?
A fault
Which scientist is known for developing the periodic table of elements?
Dmitri Mendeleev
What is the name for the enzyme that unzips the DNA double helix during replication?
DNA helicase
The Law of Conservation of Mass was first formulated by which French chemist?
Antoine Lavoisier.
What is the name of the hypothetical boundary of a black hole, beyond which no matter or energy can escape?
The event horizon
What is the name for the process in which magma solidifies into rock?
Crystallization
Who is known for his work on the principles of buoyancy and levers?
Archimedes