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Grade 4_mBot2 Revision

Total questions: 36

Worksheet time: 36mins

Name
Class
Date
1.

What is a robot?

a)

A human assistant

b)

A toy

c)

A machine that performs tasks

d)

A living creature

2.

Where can robots be found?

a)

In books only

b)

In many places such as hospitals, restaurants, and homes

c)

Only in space

d)

Only in factories

3.

What is the robot doing in the food factory?

a)

Packing or sorting food

b)

Cooking

c)

Watching television

d)

Sleeping

4.

Which of these is a job robots do in hospitals?

a)

Teach Students

b)

Sell medicine

c)

Perform surgery or assist doctors

d)

Sweep the floor only

5.

What are sensors used for in robots?

a)

To make the robot look cool

b)

To help robots sense and react to their environment

c)

To help robots move randomly

d)

o decorate the robot

6.

What tasks can a robot perform?

a)

Eat food

b)

Watch television

c)

Pick vegetables, clean the house, or make cars

d)

Water the garden

7.

Which of the following is NOT a task a robot can perform?

a)

Make cars

b)

Sleep like humans

c)

Pick vegetables

d)

lean the house

8.

Which part of the mBot2 robot is responsible for movement?

a)

Cyber Pi

b)

LED lights

c)

Wheels

d)

Sensors

9.

Robots can come in many shapes. Where might you see different forms of robots

a)

On a football field

b)

In a bakery

c)

In school or robotics lab

d)

In a zoo

10.

Which of these is a visible part of the mBot2 robot?

a)

Tail

b)

Sensors

c)

Water tank

d)

Wings

11.

What is mBlock?

a)

A drawing app

b)

A software used to program robots like the mBot2

c)

A hardware tool

d)

A game for kids

12.

What programming language is mBlock similar to?

a)

C++

b)

HTML

c)

Scratch

d)

Java

13.

What are mBot2 Chassis blocks used for?

a)

To clean the robot

b)

To draw shapes

c)

To make the robot move

d)

To change the robot’s color

14.

What is the function of the block moves forward at 50 RPM?

a)

The robot plays music

b)

The robot moves forward at a specific speed

c)

The robot turns around

d)

The robot will fly

15.

What does the block turns left 90° until done do?

a)

Turns the screen left

b)

Makes the robot move backward

c)

Turns the robot 90 degrees to the left

d)

Makes the robot spin in circles

16.

Which block is used to stop all motors?

a)

b)

c)

d)

17.

What is the name of the "brain" of the mBot2 robot?

a)

CyberPi

b)

Ultrasonic Sensor

c)

Quad RGB Sensor

d)

Motor

18.

What does the CyberPi control?

a)

Charging

b)

Any action the robot may take

c)

The screen color

d)

Only lights

19.

Where do you click to connect or add the robot device in mBlock?

a)

Devices

b)

Costumes

c)

Background

d)

Sprites

20.

After 5 seconds of recording, what does the robot do?

a)

Repeats the recording

b)

Shuts down

c)

Stops recording and plays the recording

d)

Asks for user input

21.

How many directions can the joystick on the CyberPi be pulled?

a)

5 directions

b)

4 directions

c)

3 directions

d)

2 directions

22.

What sensor is used in the mBot2 to avoid obstacles?

a)

Temperature sensor

b)

Ultrasonic sensor

c)

Sound sensor

d)

Light sensor

23.

Where will the measured distance be displayed?

a)

On the ground

b)

On the robot’s LEDs

c)

On the CyberPi screen

d)

On the mBot2 wheels

24.

Why is the Ultrasonic Sensor important in robotics?

a)

It entertains the robot

b)

It helps detect and avoid obstacles

c)

It charges the battery

d)

It turns off the robot

25.

What are the two characteristics of the mBot2 motor?

a)

Speed and size

b)

Color and sound

c)

Speed and rotation

d)

Rotation and battery

26.

What is the maximum speed of the mBot2 motor?

a)

100 RPM

b)

150 RPM

c)

200 RPM

d)

300 RPM

27.

What is the rotation direction of the mBot2 motor?

a)

Right only

b)

Up or Down

c)

Left only

d)

Forward or Backward

28.

What is a variable compared to?

a)

A speedometer

b)

A motor

c)

A robot

d)

A box

29.

Why do we use variables in programming the robot?

a)

To make it talk

b)

To store and change information like speed

c)

o make it change colors

d)

To decorate it

30.

What does RGB stand for?

a)

Right, Great, Bright

b)

Round, Green, Black

c)

Red, Green, Blue

d)

Red, Gold, Blue

31.

What does "Quad" mean in the Quad RGB sensor?

a)

It has 2 color sensors

b)

It has 4 color sensors

c)

It changes colors quickly

d)

It is very quiet

32.

Which part of the mBot2 is used to detect color?

a)

Battery

b)

Motor

c)

Wheels

d)

RGB Quad Sensor

33.

The part of mBot2 show in the picture is ------------------

a)

Wheels

b)

Skeleton (Chaises)

c)

Motor

d)

Ultrasonic Sensor

34.

The part of mBot2 shown in the picture is ------------------

a)

Wheels

b)

Motor

c)

Skeleton

d)

Quad RGB Sensor

35.

The Part ofmBot2 shown in the picture is --------------------

a)

Quad RGB Sensor

b)

Ultrasonic Sensor

c)

Tilt Sensor

d)

Light Sensor

36.

The part of mBot2 shown in the picture is ------------------

a)

Cyber Pi

b)

Quad RGB Sensor

c)

Wheels

d)

Speakers