Physics
What particle carries a negative electric charge?
Electron
What is the chemical equation for water
H₂O
What organ pumps blood around the body?
Heart
What planet is known as the Red Planet?
Mars
Who discovered gravity after observing a falling apple?
Isaac Newton
What force keeps planets in orbit around the Sun?
Gravity
What is the chemical symbol for gold?
Au
What is the largest organ in the human body?
Skin
What natural disaster is measured using the Richter scale?
Earthquake
Who developed the theory of evolution by natural selection?
Charles Darwin
What law states that for every action there is an equal and opposite reaction?
Newton’s Third Law of Motion
What is the pH value of pure water?
7
What blood cells help fight infection?
White blood cells
What layer of the Earth is directly beneath the crust?
Mantle
Penicillium (mould) was used to discover which antibiotic
penicillin
What is the unit of electrical resistance?
Ohm
What gas do plants absorb during photosynthesis?
Carbon dioxide (CO₂)
What is the process by which plants make their own food?
Photosynthesis
What protects Earth from harmful ultraviolet radiation?
The ozone layer
Who is known as the “father of modern physics”?
Albert Einstein
What type of energy is stored in a stretched elastic band?
Elastic potential energy
What is the most abundant gas in Earth’s atmosphere?
Nitrogen
What molecule carries genetic instructions in living organisms?
DNA (Deoxyribonucleic acid)
What causes ocean tides?
The gravitational pull of the Moon (and the Sun)
Which hormone discovery led to treatment for diabetes?
Insulin