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• The mechanics of gears, learning how they enable machines to function efficiently.

• The principle of the power screw, understanding how it can be used to lift or
move heavy objects.

Introduction to DC Motors and Connectors

A motor is a device that transforms electrical energy into
mechanical movement. Simply put, it helps objects move.

Motors can be found in numerous everyday devices, such as
fans, toy cars, and robots. When electricity passes through

the motor, it causes parts of the machine, like wheels or gears,
to rotate or shift.

Connectors, on the other hand, are crucial components that join various parts
of an electronic circuit. They enable the flow of electricity between different

elements, ensuring that the circuit functions smoothly. Connectors can
link wires, motors, lights, and other parts in a project. In construction kits,
connectors make it easy for you to snap together pieces—similar to building

blocks—so they can complete circuits and bring their projects to life.

Hands-On Activity Using Block-Based Construction Kit

Assembling a Basic Car Model

Motion refers to how objects move from one point to another. In science, we
study that every object can move in different ways, and this movement is what
we call motion. Motion can occur at varying speeds, in straight paths or circular

patterns, and can happen in multiple directions.

There are various types of motion, such as:

• Linear Motion: This occurs when an object moves in a straight line, like a
car driving on a road or someone walking forward.

• Rotational Motion: This happens when an object spins or rotates, such as
the wheels on a bicycle or a fan turning.

• Oscillating Motion: This is a repeated back-and-forth movement, like a
playground swing or the pendulum of a clock.

Objects move because of forces. A force is a push or pull that causes an object
to start moving, stop, or change direction. For instance, when you kick a ball,

the force from your foot propels the ball forward.

Science Concepts with Block-Based Construction Kit 19