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clap-activated sound

Total questions: 15

Worksheet time: 3mins

Name
Class
Date
1.

What component is used to detect a clap sound in a Micro:bit project?

a)

LED

b)

Buzzer

c)

Microphone

2.

Which block is used in MakeCode to detect loud sound?

a)

on button A pressed

b)

on loud sound

c)

on shake

3.

What does a clap sound generate for the Micro:bit to detect?

a)

Light signal

b)

Heat

c)

Sound wave

d)

Electricity

4.

What is the unit of sound level?

a)

Volt

b)

Decibel (dB)

c)

Ampere

5.

In a clap-activated sound project, what can Micro:bit do after detecting a clap?

a)

Turn on a light

b)

Show compass

c)

Read temperature

6.

Which of the following is a possible output device in this project?

a)

Microphone

b)

LED

c)

Resistor

7.

What kind of input is a clap sound?

a)

Analog

b)

Digital

c)

Mechanical

8.

What happens when you clap near the Micro:bit?

a)

It detects touch

b)

It detects sound

c)

It detects motion

9.

Can we use the buzzer to create sound in Micro:bit V2 without extra hardware?

a)

NO

b)

YES

10.

How do we make the Micro:bit respond only to loud claps, not small sounds?

a)

Use light sensor

b)

Use high sound threshold

c)

Use button input

11.

What is the function of pause (ms) in MakeCode?

a)

Stops the code

b)

Waits for a specific time

c)

Makes sound

12.

What is the output when a clap is detected?

a)

Sound or light

b)

Temperature

c)

Acceleration

13.

Which tab contains sound blocks in MakeCode?

a)

Input

b)

Music

c)

LED

14.

Which power source is needed for Micro:bit?

a)

12V

b)

9V

c)

3V

15.

What is a real-life use of clap-activated projects?

a)

Fan control

b)

Speedometer

c)

Weather station