Explore a Flashlight

Choose a part, or press Show Me to explore them one at a time.

🔍 Explore the Parts

Meet the flashlight

Choose a part to see its name, what it does, and where it connects.

Choose a part
Look for its connection points
Press Show Me for a guided tour

Case

The case holds the flashlight's parts and gives you a safe place to grip it.

How it connects

The batteries, switch and light assembly fit inside the case.

Rear cap
Light assembly opening

Batteries

The batteries store energy that can power the light.

How it connects

The batteries touch metal contacts at both ends of the circuit.

Rear contact
Forward contact

Switch

The switch opens or closes the electrical path.

How it connects

When the switch closes the path, electrical energy can move through the circuit.

Contact pad (battery side)
Contact pad (light side)

Metal Contacts

The metal contacts connect the batteries, switch and light.

How it connects

Each contact must touch the correct component to make a complete circuit.

Rear contact
LED connection
Return path

LED

The LED changes electrical energy into light.

How it connects

The LED connects to both sides of the flashlight's electrical path.

Terminal to the switch
Terminal to the return path

Reflector

The reflector directs more of the LED's light forward.

How it connects

The reflector sits behind and around the LED.

Fits around the LED

Lens

The lens protects the light and lets the beam shine through.

How it connects

The lens fits at the front of the flashlight.

Front of the case

Meet the flashlight

Choose a part to see its name, what it does, and where it connects.

Choose a part
Look for its connection points
Press Show Me for a guided tour

Exit Activity

Learn on screen, explore safely

This activity uses a simplified model to explain how something works. Real objects may have different parts and designs. Ask a trusted adult before using tools, opening equipment, making repairs, or taking anything apart.

Ask a trusted adult before opening a real flashlight. Never touch leaking or damaged batteries, and keep batteries away from very young children.