The Wheel
key notes:
Introduction to the Wheel:
- The wheel is a round object that helps things move.
- It is one of the most important inventions in history.
What is a Wheel?:

- A circular shape with a central hole to fit on an axle.
- Found in vehicles like cars, bicycles, and carts.
Uses of Wheels:

- Helps in transportation, such as cars, trains, and airplanes.
- Used in machines like clocks, sewing machines, and windmills.
- Makes work easier, like moving heavy loads.
History of the Wheel:

- Invented about 5,000 years ago.
- First wheels were made of solid wood.
- Over time, wheels became lighter and stronger with materials like metal and rubber.
How Wheels Work:

- They reduce friction, making it easier to move objects.
- They rotate around an axle, allowing smooth motion.
Examples of Wheels in Daily Life:

- Toys: toy cars and spinning tops.
- Machines: bicycles, roller skates, and shopping carts.
Fun Facts:
- Wheels are also used in clocks to tell time.
- Ferris wheels are a fun ride at amusement parks.
Let’s practice!🖊️