Circuit Breaker: The Relay Rumble!

Froggy Jumps

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About this activity

You’re the Lead Engineer! Keep the factory humming by mastering the secrets of Motors and Relays. One wrong move and the power cuts out!

Created by

Paula

Venezuela

Download the paper version to play

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#	Player	Accuracy	time
1	Delianne Fuentes March 4, 2026	% 60	01:31
2	Desired Fuentes March 6, 2026	% 60	01:51

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Froggy Jumps Circuit Breaker: The Relay Rumble!Online version You’re the Lead Engineer! Keep the factory humming by mastering the secrets of Motors and Relays. One wrong move and the power cuts out! by Paula 1 Why do we use a Relay to control a big DC motor? a To make the motor spin faster. b To protect the micro:bit from high current. c To change the color of the motor. 2 What does "Normally Open" (NO) mean on a relay terminal? a The circuit is ON by default. b The circuit is OFF until the relay is activated. c The relay case has a hole in it. 3 Inside a DC motor, what creates the spinning motion? a Gravity. b Air blowing on the blades. c Interaction between magnetic fields. 4 Which pin on the micro:bit is usually used to control a Relay? a The 3V pin. b The GND (Ground) pin. c A Digital Pin (like P0, P1, or P2). 5 A Relay is basically a... a Remote-controlled switch. b Type of battery. c Bright light bulb. 6 What does "GND" stand for on your motor driver or relay? a General Network Device. b Ground (the negative side of the circuit). c Green Node Data. 7 If your motor isn't spinning, what's the first thing you should check? a If the motor is the wrong color. b If the micro:bit is upside down. c If the wires are plugged in correctly. 8 What does "DC" stand for in "DC Motor"? a Direct Current. b Double Charge. c Digital Control. 9 What part of the motor actually spins? a The Case. b The Shaft c The Wires 10 Which of these can spin in circles forever? a A standard DC Motor. b A Relay. c A Push-button.

Froggy Jumps

Circuit Breaker: The Relay Rumble!Online version

You’re the Lead Engineer! Keep the factory humming by mastering the secrets of Motors and Relays. One wrong move and the power cuts out!

by Paula

Why do we use a Relay to control a big DC motor?

To make the motor spin faster.

To protect the micro:bit from high current.

To change the color of the motor.

What does "Normally Open" (NO) mean on a relay terminal?

The circuit is ON by default.

The circuit is OFF until the relay is activated.

The relay case has a hole in it.

Inside a DC motor, what creates the spinning motion?

Gravity.

Air blowing on the blades.

Interaction between magnetic fields.

Which pin on the micro:bit is usually used to control a Relay?

The 3V pin.

The GND (Ground) pin.

A Digital Pin (like P0, P1, or P2).

A Relay is basically a...

Remote-controlled switch.

Type of battery.

Bright light bulb.

What does "GND" stand for on your motor driver or relay?

General Network Device.

Ground (the negative side of the circuit).

Green Node Data.

If your motor isn't spinning, what's the first thing you should check?

If the motor is the wrong color.

If the micro:bit is upside down.

If the wires are plugged in correctly.

What does "DC" stand for in "DC Motor"?

Direct Current.

Double Charge.

Digital Control.

What part of the motor actually spins?

The Case.

The Shaft

The Wires

Which of these can spin in circles forever?

A standard DC Motor.

A Relay.

A Push-button.

You can integrate the game into an LMS compatible with LTI 1.1 or LTI 1.3 such as Canvas, Moodle, or Blackboard. This way, the scores will be automatically saved into the platform’s gradebook.

Circuit Breaker: The Relay Rumble!

Froggy Jumps

About this activity

Created by

Download the paper version to play

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Circuit Breaker: The Relay Rumble!Online version

by Paula

Why do we use a Relay to control a big DC motor?

What does "Normally Open" (NO) mean on a relay terminal?

Inside a DC motor, what creates the spinning motion?

Which pin on the micro:bit is usually used to control a Relay?

A Relay is basically a...

What does "GND" stand for on your motor driver or relay?

If your motor isn't spinning, what's the first thing you should check?

What does "DC" stand for in "DC Motor"?

What part of the motor actually spins?

Which of these can spin in circles forever?

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