Bicycle Parts and Materials

In the picture

1. 1The metal frame tubes: strong and light, so the bicycle holds together without being heavy.
2. 2The rubber handlebar grip: grippy and soft, so hands can hold the bar firmly.
3. 3The rubber tire: flexible and grippy, so it cushions bumps and grips the road.
4. 4The cushioned saddle: soft and supportive, so sitting on it is comfortable.

Examples

• A bike helmet uses a hard outer shell and soft foam inside.
• A backpack strap is made of strong, flexible fabric with soft padding.

Quiz: Bicycle Parts and Materials (Age 11)

1. 1

   What does every part of a technical object have?

   • A metal frame
   • A bright colour
   • A use function
2. 2

   Why is the material of a bicycle part chosen?

   • For properties such as strength, lightness, grip, or flexibility
   • Because it is the cheapest material available
   • Because it is the easiest to paint
3. 3

   The rubber tire is flexible and grippy. What does that help it do?

   • Cushion bumps and grip the road
   • Make sitting on the saddle comfortable
   • Hold the bicycle together without being heavy

The answers, each with its explanation, are in the app. This quiz is free there while the lesson is in the free week.