science /10 Science Quiz Science Quiz helps us to increase our knowledge 1 / 10 What is the chemical formula of water? CO₂ O₂ H₂O NaCl 2 / 10 Which gas is most abundant in Earth’s atmosphere? Nitrogen Oxygen Carbon dioxide Argon 3 / 10 What is the powerhouse of the cell? Nucleus Ribosome Mitochondria Cytoplasm 4 / 10 Which is the largest organ in the human body? Liver Skin Heart Lungs 5 / 10 Which part of the plant conducts photosynthesis? Roots Leaves Flowers Stem 6 / 10 What force pulls objects toward the Earth? Gravity Magnetism Friction Pressure 7 / 10 What gas do plants absorb during photosynthesis? Oxygen Carbon dioxide Nitrogen Hydrogen 8 / 10 What is the boiling point of water at sea level? 50°C 75°C 100°C 200°C 9 / 10 What is the speed of light? 3,000 km/s 30,000 km/s 3,000,000 km/s 300,000 km/s 10 / 10 Which planet is known as the “Red Planet”? Mars Saturn Venus Jupiter Your score is 0% Restart quiz /2 Smart Science Challenge Quiz Science Quiz helps us to increase our knowledge 1 / 2 Which part of the human body is responsible for pumping blood? Lungs Brain Heart Kidneys 2 / 2 What is the chemical symbol for the element Sodium? So Sn Sd Na Your score is 0% Restart quiz /2 Essential Science Quiz Science Quiz helps us to increase our knowledge 1 / 2 What is the main source of energy for the Earth? The Moon The Sun The Stars The Oceans 2 / 2 Which gas is most abundant in Earth’s atmosphere? Helium Oxygen Carbon Dioxide Nitrogen Your score is 0% Restart quiz /2 Basic Science Knowledge Quiz Science Quiz helps us to increase our knowledge 1 / 2 What is the boiling point of water at standard atmospheric pressure? 50°C 75°C 150°C 100°C 2 / 2 Which gas do plants absorb from the atmosphere during photosynthesis? Oxygen Nitrogen Carbon Dioxide Hydrogen Your score is 0% Restart quiz /2 Quick Science Test Science Quiz helps us to increase our knowledge 1 / 2 What is the largest organ in the human body? Heart Skin Liver Brain 2 / 2 Which planet is known as the "Red Planet"? Venus Mars Jupiter Mercury Your score is 0% Restart quiz
