Question Difficulty,Question,A,B,C,D,Answer,Answer_choice,Checked?
Easy,What is the largest planet in our solar system?,Mars,Jupiter,Saturn,Venus,Jupiter,B,+
Easy,What type of energy is produced by wind turbines?,Nuclear energy,Solar energy,Hydropower,Wind energy,Wind energy,D,+
Easy,What is the basic unit of life called?,Atom,Molecule,Cell,Tissue,Cell,C,+
Easy,What is the process by which plants make food?,Photosynthesis,Respiration,Diffusion,Osmosis,Photosynthesis,A,+
Easy,What is the chemical symbol for water?,H2O,CO2,O2,NaCl,H2O,A,+
Easy,Which planet in our solar system is known as the Red Planet?,Venus,Earth,Mars,Saturn,Mars,C,+
Easy,Which type of animal does not have a backbone?,Fish,Amphibians,Birds,Invertebrates,Invertebrates,D,+
Easy,What is the process by which a gas turns into a liquid?,Condensation,Evaporation,Melting,Freezing,Condensation,A,+
Easy,What is the smallest particle of an element called?,Molecule,Atom,Electron,Proton,Atom,B,+
Easy,What is the force that keeps us on the ground and prevents us from floating away into space?,Friction,Gravity,Magnetism,Electricity,Gravity,B,+
Medium,What is the primary function of the heart?,Pumping blood,Filtering waste,Producing hormones,Storing oxygen,Pumping blood,A,+
Medium,What type of energy is stored in a battery?,Nuclear energy,Chemical energy,Heat energy,Electrical energy,Chemical energy,B,+
Medium,What is the process by which a solid turns into a gas without passing through the liquid state?,Evaporation,Sublimation,Condensation,Melting,Sublimation,B,+
Medium,What is the process by which an organism breaks down food to release energy called?,Photosynthesis,Respiration,Diffusion,Osmosis,Respiration,B,+
Medium,What is the unit of measurement for electrical resistance?,Watt,Ohm,Ampere,Volt,Ohm,B,+
Medium,What is the process by which heat is transferred through a vacuum?,Conduction,Convection,Radiation,Expansion,Radiation,C,+
Medium,What is the process by which cells divide to form two identical cells called?,Mitosis,Meiosis,Fertilization,Implantation,Mitosis,A,+
Medium,What type of electromagnetic radiation has the highest frequency?,Radio waves,Microwaves,X-rays,Gamma rays,Gamma rays,D,+
Medium,What type of energy is stored in the bonds between atoms in a molecule?,Nuclear energy,Chemical energy,Heat energy,Electrical energy,Chemical energy,B,+
Medium,What is the process by which an electric current passes through a gas causing it to emit light called?,Fluorescence,Phosphorescence,Incandescence,Electroluminescence,Electroluminescence,D,+
Hard,What type of eclipse occurs when the moon passes between the sun and the Earth?,Lunar eclipse,Solar eclipse,Annular eclipse,Penumbral eclipse,Solar eclipse,B,+
Hard,What is the name of the theory that explains the origin of the universe?,Quantum mechanics,General relativity,Special relativity,Big Bang theory,Big Bang theory,D,+
Hard,What is the name of the process by which stars produce energy?,Fission,Fusion,Decay,Combustion,Fusion,B,+
Hard,Which of the following is the weakest of the four fundamental forces of nature?,Gravity,Electromagnetism,Strong nuclear force,Weak nuclear force,Gravity,A,+
Hard,What is the term for the study of the movement and behavior of celestial objects?,Astrophysics,Cosmology,Quantum mechanics,Particle physics,Astrophysics,A,+
Hard,What is the smallest particle that makes up all matter called?,Electron,Quark,Neutrino,Higgs boson,Quark,B,+
Hard,Which planet in our solar system has the most moons?,Jupiter,Saturn,Uranus,Neptune,Jupiter,B,+
Hard,What is the name of the force that opposes motion between two surfaces in contact?,Gravity,Friction,Electromagnetism,Tension,Friction,B,+
Hard,What is the name of the process by which light is bent as it passes through different materials?,Diffraction,Interference,Polarization,Refraction,Refraction,D,+
Hard,What is the name of the process by which an unstable atomic nucleus loses energy by emitting radiation?,Radioactive decay,Nuclear fission,Nuclear fusion,Electron capture,Radioactive decay,A,+