Q: What gas do plants absorb from the atmosphere?
A: Carbon dioxide
Q: What is the chemical symbol for water?
A: H₂O
Q: What is the most abundant element in th universe?
A: Hydrogen
Q: What force keeps us grounded on Earth?
A: Gravity
Q: What organ in the human body is primarily responsible for pumping blood?
A: Heart
Q: What is the largest planet in our solar system?
A: Jupiter
Q: What is the hardest natural substance on Earth?
A: Diamond
Q: What element is essential for the production of red blood cells?
A: Iron
Q: What process do plants use to make their food?
A: Photosynthesis
Q: What is the boiling point of water at sea level in Celsius?
A: 100°C
Q: Which vitamin is produced when a person is exposed to sunlight?
A: Vitamin D
Q: What type of energy is stored in a stretched rubber band?
A: Potential energy
Q: What is the study of life called?
A: Biology
Q: What is the basic unit of life?
A: Cell
Q: What is the speed of light in a vacuum?
A: Approximately 299,792,458 meters per second
Q: Who formulated the three laws of motion?
A: Sir Isaac Newton
Q: What is the unit of electrical resistance?
A: Ohm
Q: What phenomenon explains the bending of light when it passes through different mediums?
A: Refraction
Q: What is the first law of thermodynamics?
A: Energy cannot be created or destroyed, only transferred or changed in form.
Q: What particle carries a positive charge?
A: Proton
Q: What is the term for materials that do not conduct electricity?
A: Insulators
Q: What is the formula for calculating force?
A: Force = Mass × Acceleration (F = ma)
Q: What is the SI unit of power?
A: Watt
Q: What is the phenomenon where two waves superimpose to form a resultant wave?
A: Interference
Q: What is the term for the resistance of any physical object to a change in its state of motion or rest?
A: Inertia
Q: Who is known for the theory of relativity?
A: Albert Einstein
Q: What is the study of motion without considering its causes?
A: Kinematics
Q: What is the effect where a wave changes direction because of an obstacle?
A: Diffraction
Q: What is the process by which unstable atomic nuclei lose energy by emitting radiation?
A: Radioactive decay
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