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In this activity, You will build a giant wheel using bricks and a DC motor. When
the motor is powered by a battery, it spins the wheel, making it move just like
a real giant Ferris wheel! The wheel will keep rotating until the motor is turned

off. This activity helps you understand how motors create movement and how
machines work to make objects spin.

Concepts

• Movement and Motors: You will learn how a DC motor helps things move.

Just like the motor in a toy car, the motor in this activity turns the giant
wheel. This introduces the idea of how machines use energy (from a battery)
to move objects.

• Building Structures: By using bricks to create the wheel, You will also learn

about construction and balance. The bricks are like the building blocks used
in real-life machines and structures.

• Electric Circuits: The motor works when the battery powers it. This helps
You understand the concept of a simple electric circuit, where the battery
provides energy to the motor to make the wheel spin.

Observations

During the Giant Wheel activity, you will observe how the wheel spins when the

motor is turned on. You will notice that the speed of the wheel is controlled by
the motor. As you build and test your wheel, you will see how:

• The motor makes the wheel rotate.

• The wheel continues spinning as long as the motor is powered by the battery.
This activity allows you to explore how motors work and how moving parts in

machines are connected to create movement, just like in a real amusement
park ride! It also introduces them to how electricity is used to power machines.

Creating a Swing

Repetitive motion is when an object moves in the same way over and over again,

creating a pattern of motion. This type of movement is common in everyday life
and is important in many machines and natural processes.

Building and Moving Simple Robots 25