Wheel and Axel

Wheel and Axel

What is a wheel and axel?

The wheel is the round circle.

The axle is the rod that goes right through the very center of the wheel to help it move and stay in place.

It's a simple machine that helps make work easier.

There are 2 major ways to use a wheel and axel

1. Roll something along

2. By turning a wheel fixed to an axel

Example of a wheel and axel:

A doorknob

Multiple Choice

The ___________ is a round circle.

• Wheel

• Axel

Multiple Choice

The _____________ is the rod that goes right through the very center of the wheel to help it move and stay in place.

• Wheel

• Axel

Multiple Choice

The wheel and axel is a _________________ machine.

• hard

• simple

• fixed

Multiple Choice

The wheel and axel makes work _____________.

• easier

• harder

Multiple Choice

There are how many major ways a wheel and axel can be used?

• 2

• 3

• 4

Multiple Choice

What are the two ways to use a wheel and axle? Choose 2.

• roll something along

• push the knob

• pull the handle

• by turning a wheel fixed to an axel

Multiple Choice

Which of the following is an example of a wheel and axel?

• Refrigerator

• Doorknob

• TV

Parts of the wheel and axel

There are 2 parts to the wheel and axel:

1. The wheel

2. The axel

How does it work?

An axel is a rod that connects to a wheel

The load is an object that moves when force is applied

What causes the wheels to move?

Spinning an axel

*The wheel can make the axel turn*

The force used to turn the wheel changes into a larger force through the axel because it is smaller and doesn't more as far

1. The wheel is considered to be one of the most important inventions in history

Multiple Choice

What are the two parts to the wheel and axel?

• walker

• area

• wheel and axel

Multiple Choice

An axle is a_____ and connects to a______

• wheel; rod

• rod; wheel

Gears

Gears

1. Gears are a type of wheel and axel

2. Gears move an object by locking its teeth into position

What are some examples of wheels and axels?

1. Electrical fans

2. Cars

3. Revolving doors

4. Merry-go-rounds

What are two wheel and axels that help people move around?

1. Roller blades

2. Bicycles

What wheel and axels help prepare food?

1. Rolling pins

2. Egg beaters

What two wheel and axels are used every day in the classroom?

1. Pencil sharpener

2. Doorknob