Physics - Waves - Behavior - Refraction of waves - Why Does the Straw Look Bent?

Show a photo of a straw in a glass of water that appears bent at the surface. Ask: 'Why does the straw look broken/bent at the water surface?' (A) The water magnifies it, (B) Light changes direction when it enters water, (C) Your eyes are playing tricks, (D) The straw actually bends. Reveal: B! Ligh