KS3 Science Quiz

What is the chemical symbol for gold?

• Au

• Ag

• Fe

• Pb

Which type of energy is stored in food?

• Kinetic

• Chemical

• Thermal

• Electrical

What organ in the human body produces insulin?

• Liver

• Pancreas

• Heart

• Lungs

What type of rock is formed from cooled lava?

• Sedimentary

• Igneous

• Metamorphic

• Fossilised

What part of the plant absorbs water from the soil?

• Leaves

• Stems

• Roots

• Flowers

What type of scientist studies chemical reactions?

• Biologist

• Chemist

• Physicist

• Astronomer

What is the most abundant gas in Earth's atmosphere?

• Oxygen

• Nitrogen

• Carbon dioxide

• Argon

What is the main function of red blood cells?

• Carry oxygen

• Fight infections

• Produce energy

• Digest food

What is the speed of light?

• 300,000 km/s

• 150,000 km/s

• 1,000 km/s

• 3,000 km/s

What type of energy is stored in a stretched rubber band?

• Kinetic

• Potential

• Chemical

• Nuclear