Vocabulary 1
Example using: rotate
The wheels rotate to move.
Give examples of things that uses wheels. (Besides transportation)
Printers, washer and driers.
Example with: transfer
I transfer the plastic bags from the car to my house.
Which is the oldest wheel?
It's the potter's wheel.
What change did the Egyptians make to the wheel?
They made ring-shaped wheels.
What new technology can move by itself?
An electric unicycle, an automatic suitcase.
Example using: grind
My grandfather grinds his coffee.
Examples of transportation
Cars, motorcycles, busses, trains.
Where was invented the wheel and axle system?
It was in Sumer. (southern Iraq)
How were wheels used in a mill?
People used the running water of a river to turn large water wheels, then the wheel created the power to operate the mill.
What is a rim?
It's the outer part of a wheel.
What were the chariots?
They were like the first cars.
Name two types of machines that wouldn't exist without the movement of wheel gears.
A watch, a bicycle, and a printing press.
What is traction?
It's the force that stops something.
How are the wheels on the car connected?
Wheels are connected by axles.
How did people transfer things before the invention of the wheel?
Pulling (or hauling) the stones on a platform, which was rolled on top of logs.
Explain using your own words, Why are wheels important?
(Students' own answers)
What is the most important use of wheels? Why?