Which renewable energy source harnesses heat stored inside the Earth to generate electricity?

Which common process happens when iron is exposed to oxygen and moisture over time forming a reddish-brown coating?

Which term describes the minimum energy required to start a chemical reaction?

Which type of teeth are flat and chisel-shaped primarily used for cutting and biting food?

Which substance in a catalytic converter helps reduce harmful vehicle exhaust emissions?

Which everyday observation shows that white light is composed of multiple colours?

Which everyday device measures body temperature by detecting the infrared radiation emitted from the ear canal or forehead?

Which common kitchen appliance uses the principle of electromagnetic induction specifically to heat food through magnetic coupling?

Which common property of water is described as the tendency of water molecules to stick to other surfaces?

Which everyday process causes wood to appear to shrink and blacken when burned but conserves matter overall?

Which common property of water describes water molecules being attracted to each other through hydrogen bonds?