Question 1: What is the name of the process by which a liquid turns into a gas at its surface?
Option 1: Evaporation
Option 2: Condensation
Option 3: Sublimation
Option 4: Boiling

Question 2: Who is known as the father of modern chemistry?
Option 1: Isaac Newton
Option 2: Albert Einstein
Option 3: Antoine Lavoisier
Option 4: Dmitri Mendeleev

Question 3: What is the most common element in the Earth’s crust?
Option 1: Oxygen
Option 2: Silicon
Option 3: Aluminum
Option 4: Iron

Question 4: What is the term for a reaction in which energy is absorbed?
Option 1: Exothermic reaction
Option 2: Endothermic reaction
Option 3: Catalytic reaction
Option 4: Redox reaction

Question 5: What is the name of the force that holds protons and neutrons together in the nucleus?
Option 1: Electromagnetic force
Option 2: Gravitational force
Option 3: Strong nuclear force
Option 4: Weak nuclear force

Question 6: What is the term for the change of a substance from a gas to a liquid?
Option 1: Evaporation
Option 2: Condensation
Option 3: Sublimation
Option 4: Freezing

Question 7: What is the name of the first programmable computer?
Option 1: ENIAC
Option 2: UNIVAC
Option 3: IBM PC
Option 4: Apple I

Question 8: What is the name of the layer of the Earth’s atmosphere where most weather occurs?
Option 1: Stratosphere
Option 2: Troposphere
Option 3: Mesosphere
Option 4: Thermosphere

Question 9: What is the term for the number of protons in the nucleus of an atom?
Option 1: Atomic number
Option 2: Mass number
Option 3: Isotope number
Option 4: Electron number

Question 10: What is the name of the principle that states the volume of a gas increases with increasing temperature, if the pressure is constant?
Option 1: Boyle’s Law
Option 2: Charles’s Law
Option 3: Avogadro’s Law
Option 4: Dalton’s Law

Question 11: What is the term for a substance that speeds up a chemical reaction without being consumed?
Option 1: Catalyst
Option 2: Reactant
Option 3: Solvent
Option 4: Electrolyte

Question 12: What is the name of the first antibiotic discovered?
Option 1: Aspirin
Option 2: Insulin
Option 3: Penicillin
Option 4: Morphine

Question 13: What is the term for the bending of light as it passes from one medium to another?
Option 1: Reflection
Option 2: Refraction
Option 3: Diffraction
Option 4: Dispersion

Question 14: What is the name of the smallest bone in the human body?
Option 1: Femur
Option 2: Stapes
Option 3: Tibia
Option 4: Radius

Question 15: What is the term for the study of matter and its motion through space and time?
Option 1: Biology
Option 2: Chemistry
Option 3: Physics
Option 4: Geology

Question 16: What is the name of the process by which organisms maintain a stable internal environment?
Option 1: Metabolism
Option 2: Homeostasis
Option 3: Respiration
Option 4: Osmosis

Question 17: What is the term for a material that does not allow electricity to flow through it easily?
Option 1: Conductor
Option 2: Semiconductor
Option 3: Insulator
Option 4: Resistor

Question 18: What is the name of the phenomenon where light or other radiation is emitted by a body causes it to lose energy?
Option 1: Absorption
Option 2: Emission
Option 3: Reflection
Option 4: Refraction

Question 19: What is the term for the smallest particle of a chemical element that can exist?
Option 1: Atom
Option 2: Molecule
Option 3: Ion
Option 4: Compound

Question 20: What is the name of the principle that explains the buoyant force on an object submerged in fluid?
Option 1: Pascal’s Principle
Option 2: Archimedes’ Principle
Option 3: Bernoulli’s Principle
Option 4: Newton’s Principle