Question: What is the chemical symbol for the element oxygen?
Answer: O
Question: What is the process by which plants convert light energy into chemical energy to produce food?
Answer: Photosynthesis
Question: What is the smallest unit of matter?
Answer: Atom
Question: What is the force that opposes the motion of objects through a fluid (liquid or gas)?
Answer: Friction
Question: What is the process by which water vapor turns into liquid water?
Answer: Condensation
Question: Which gas is most abundant in Earth's atmosphere?
Answer: Nitrogen
Question: What is the study of the Earth's physical structure, processes, and history?
Answer: Geology
Question: What is the process by which a solid changes directly into a gas without passing through the liquid state?
Answer: Sublimation
Question: What is the SI unit of electric current?
Answer: Ampere (A)
Question: What is the study of celestial bodies such as stars, planets, galaxies, and black holes?
Answer: Astronomy
Question: What is the process by which an organism produces offspring that are genetically identical to itself?
Answer: Asexual reproduction
Question: What is the process by which an electric current passes through a liquid, causing chemical reactions and the separation of materials?
Answer: Electrolysis
Question: What is the force that attracts any two masses toward each other?
Answer: Gravity
Question: What is the unit of measure for frequency?
Answer: Hertz (Hz)
Question: What is the chemical process that releases energy from food in the presence of oxygen?
Answer: Cellular respiration
Question: What is the outermost layer of the Earth called?
Answer: Crust
Question: What is the process by which a liquid changes into a gas at temperatures below its boiling point?
Answer: Evaporation
Question: What is the unit of measure for sound intensity?
Answer: Decibel (dB)
Question: What is the study of the Earth's atmosphere, weather, and climate?
Answer: Meteorology
Question: What is the part of a cell that controls its activities and contains genetic information?
Answer: Nucleus
Question: What is the process by which a gas changes into a liquid?
Answer: Condensation
Question: What is the force that opposes the motion of one surface past another?
Answer: Friction
Question: What is the unit of measure for electric resistance?
Answer: Ohm
Question: What is the process by which plants release water vapor into the atmosphere?
Answer: Transpiration
Question: What is the study of living organisms and their interactions with each other and their environment?
Answer: Ecology
Question: What is the phenomenon where light bends when passing from one medium to another at an angle?
Answer: Refraction
Question: What is the SI unit of energy?
Answer: Joule
Question: What is the densest planet in our solar system?
Answer: Earth
Question: What is the smallest bone in the human body?
Answer: Stapes (in the middle ear)
Question: What is the process by which a gas changes directly into a solid without passing through the liquid state?
Answer: Deposition
