Why do we need to wear a helmet while riding a bike or a motorcycle?

Wear a helmet because heads can bump hard. It is a strong hat. It hugs your head. It helps keep you safer.

We wear a helmet because a bike or motorcycle can fall, and your head might hit the ground. The helmet is like a hard shell around an egg: it takes the big bump so the soft inside is safer. Strap it on snug so it stays there when you move.

A helmet helps protect your brain, the soft part inside your head that lets you think, move, and remember. If you fall, the hard outside spreads the hit, and the squishy foam inside gets crushed a little to soak up the force. That gives your head a gentler stop. Fun fact: one good crash means a helmet has done its job and should be replaced, even if it still looks okay.