matching :match the terms with its explanations. write the ... · section 2 –fill in the blanks...

Revision for Grade 7 in Unit #1&3 Design & Technology Subject

Your Name: ………………………………………………..….. Grade 7 /……

Your Teacher: Shaikhah Alzeyoudi 1

1. electrical circuit

2. electric current

3. voltage source

4. battery

5. embedded system

6. microcontroller

7. robot

8. input

9. output

10. sensor

11. actuator

12. obstacle

SECTION 1 – Matching :Match the terms with its explanations. Write the matching letter in the correct box. The first one has been done for you.(1 mark each) Term Explanation

a computer system with a specific function, inside a larger mechanical or electrical system

Aa two-terminal device which can maintain a certain voltage; for example, a battery

B

a device that detects objects, heat, light, sound or motion C

a group of electrical components connected by conductors. D

fits on a single chip and contains everything required to control an external system

E

a machine programmed by a computer to carry out actions F

the place where power or information leaves G

the flow of electrons through a conductive material, such as a metal wire

H

an electrical power source Isomething that blocks the way or prevents progress. J

the part of the robot that performs a physical action K

the place where power or information enters L

A sensor that detects IR light. M



SECTION 2 – Fill in the BlanksFill in the blanks with answers from the answer bank. One of them has been done for you. (1 mark for each blank)

(Microcontroller- Buzzer- Left light sensor-Right light sensor- Left IR (infrared LED)- Right IR (infrared LED)-Right red LED – Left red LED-Play button- Stop button- Record button )



SECTION 3 – Multiple Choice Choose and circle the correct answer – A, B, C or D. (1 mark each)

1. LED stands for ___________________________?

A) Light Energy DisplayB)Light Eco DiodeC) Light Emitting Diode

2. Sound sensors act as ___________________ on the Edison.

A) an inputB) an outputC) a process

3. Which command turns left LED ON A) Ed.leftled(ON)B) Ed.LEDLEFT(on)C) Ed.LeftLed(Ed.ON)

4. You can tell EdPy a loop runs forever using:

A) while :B) while 1:C) loop:

5. What does this command do?Ed.TimeWait(3, Ed.TIME_SECONDS)

A) Wait for 3 secondsB) Wait for 3 minutesC) Wait for 30 seconds




6. The following robot is used for__________

A) Space exploration B) Fun and entertainment C) Cleaning floor

7. The robot can be used for___________________.

A) fun and entertainment B) building things & carrying heavy things C) Space and explorationD) All of above

8. What is the name of this sensorA) light sensorB) ultrasonic sensorC) sound sensorD) touch sensor

9. A sensor that uses sound waves to detect distance is:

A) light sensorB) ultrasonic sensorC) sound sensorD) touch sensor

10. A sensor that detects moisture in the surroundings is:

A) light sensorB) ultrasonic sensorC) humidity sensorD) touch sensor




11. Which of the following is example of temperature sensor?A) cooking appliancesB) ThermometersC) medical applicationsD) All of above

12. Example of actuator is ___________________.

A) BuzzerB) FanC) Motor

D) All of above

13. a sensor that emits and/or detects infrared radiation to sense its surroundings is _____________________A. Light sensorB. ultrasonic sensorC. IR sensorD. touch sensor

14. A form of invisible light is:

A) radio wavesB) ultraviolet radiationC) X-rays and microwavesD) All of above

15. Edison uses ________________ to detect obstacles.

A) Infrared sensorsB) sound sensorsC) touch sensor

D) Remote control




16. Light sensors are used to detect ______________________.?A) WavesB) BrightnessC) soundD) All of above

17. There are ______ light sensors on top of the Edison.

A) noB) oneC) TwoD) four

18. What is the name of this sensor?A) ultrasonic sensorB) IR sensorC) touch sensor

19. What is the name of this sensor?A) ultrasonic sensorB) IR sensorC) touch sensorD) temperature sensor

20. Remote controllers, light switches, computers, home appliances, door-lock systems, game consoles and toys have a ___________________.

A) ultrasonic sensorB) IR sensorC) touch sensorD) temperature sensor



SECTION 4 – True or False Choose and circle the correct answer TRUE or FALSE. (1 mark each)

1. Robots can sense things and respond to their senses

2. Robotics would be possible without electronics.

3. The most important electronic part of the robot is the brain.

4. Sensors tell the robot about its surroundings.

5. Intruder alarms, baby alarms are examples of sound sensor.

6. Robot can measure obstacle distance by using touch sensor.

7. A control system is a device that manages or controls the

behavior of other systems.

8. An actuator is the part of the robot that performs a physical

action.

9. The microcontroller is the main control unit of any automatic

system or device.

10. Robots can be programmed using either a visual programming

or a text-based interface.

11. Text-based programming, you can use elements graphically to

create programs.

12. Some robots are used in rescue people from burning buildings

or in the case of earthquakes.

13. Infrared light is visible to human eyes.

TRUE FALSE

TRUE FALSE

TRUE FALSE

TRUE FALSE

TRUE FALSE

TRUE FALSE

TRUE FALSE

TRUE FALSE

TRUE FALSE

TRUE FALSE

TRUE FALSE

TRUE FALSE

TRUE FALSE



SECTION 5 – Short Answers (3 marks each)

1. A robot has three main parts:__________________________________________________

__________________________________________________

__________________________________________________

2. List some applications for the actuators.

__________________________________________________

__________________________________________________

__________________________________________________

3. What outputs does Edison have?__________________________________________________

__________________________________________________

__________________________________________________

4. Edison has many simple machines and mechanisms. List allthe simple machines that Edison have.

__________________________________________________

__________________________________________________

__________________________________________________

5. There are four cases for Edison to sense obstacle aroundit which are:

___________________________________________________

__________________________________________________

_________________________________________________

__________________________________________________




6. What will happen if you put your hand in front of Edison?

__________________________________________________

__________________________________________________

__________________________________________________

#-------------Setup----------------

import EdEd.EdisonVersion = Ed.V2Ed.DistanceUnits = Ed.CMEd.Tempo = Ed.TEMPO_MEDIUM

#--------Your code below-----------

Ed.ObstacleDetectionBeam(Ed.ON)while True:

if Ed.ReadObstacleDetection()== Ed.OBSTACLE_AHEAD:Ed.PlayBeep()

7. Program your Edison to turn ON both LEDs when an

obstacle is detected ahead. If there is no obstacle detected,

both LEDs should be OFF. Continue the following code.

#-------------Setup----------------

import EdEd.EdisonVersion = Ed.V2Ed.DistanceUnits = Ed.CMEd.Tempo = Ed.TEMPO_MEDIUM

#--------Your code below-----------

Ed.ObstacleDetectionBeam(Ed.ON)while True:

if Ed.ReadObstacleDetection()== Ed.OBSTACLE_AHEAD:

# Turn left LED ON

# Turn right LED ON

else:

# Turn left LED OFF

# Turn right LED OFF




8. What will happen for Edison robot if the obstacle at right side, left , a head and no obstacle ?

1. Obstacle at Right: ______________________________________________________________

2. Obstacle at Left: ______________________________________________________________

3. Obstacle a head: ______________________________________________________________

4. No Obstacle:

__________________________________________________

#-------------Setup----------------

import Ed

Ed.EdisonVersion = Ed.V2Ed.DistanceUnits = Ed.CMEd.Tempo = Ed.TEMPO_MEDIUM

#--------Your code below-----------

Ed.ObstacleDetectionBeam(Ed.ON)

while True:Obs = Ed.ReadObstacleDetection()

if Obs == Ed.OBSTACLE_AHEAD:Ed.Drive(Ed.BACKWARD_RIGHT, Ed.SPEED_5, Ed.DISTANCE_UNLIMITED)

elif Obs == Ed.OBSTACLE_RIGHT:Ed.Drive(Ed.FORWARD_LEFT, Ed.SPEED_5, Ed.DISTANCE_UNLIMITED)

elif Obs == Ed.OBSTACLE_LEFT:Ed.Drive(Ed.FORWARD_RIGHT, Ed.SPEED_5, Ed.DISTANCE_UNLIMITED)

else:Ed.Drive(Ed.FORWARD, Ed.SPEED_5, Ed.DISTANCE_UNLIMITED)

Ed.TimeWait(200, Ed.TIME_MILLISECONDS)

Your Teacher: Shaikhah Alzeyoudi

11


Answer Key

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SECTION 1

SECTION 2

Microcontroller

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CDACBADCDDCBADCABCAC

SECTION 3



Answer KeySECTION 4

13121110987654321

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SECTION 5

1. A robot has three main parts:

I. Control system (brain)

II. Sensors (input)III. Actuators (output)

2. List some applications for the actuators.I. Buzzer: alarm systems

II. Fan: computer cooling system

III. Motor: robot joints, remote controlled car

3. What outputs does Edison have?

Motors, buzzer, LEDs, …

4. Edison has many simple machines and mechanisms. List allthe simple machines that Edison have.

I. Wheels and axles.

II. Screws.

III. Gears.

5. There are four cases for Edison to sense obstacle aroundit which are:

I. obstacle ahead

II. obstacle to the left

III. obstacle to the right

IV. no obstacle is detected



Answer Key

SECTION 5

Ed.PlayBeep()Edison will play beep sound.

6. What will happen if you put your hand in front of Edison?

7. Program your Edison to turn ON both LEDs when an

obstacle is detected ahead. If there is no obstacle detected,

both LEDs should be OFF. Continue the following code.

if Ed.ReadObstacleDetection()== Ed.OBSTACLE_AHEAD:

Ed.LeftLed(Ed.ON)

Ed.RightLed(Ed.ON)

else:

Ed.LeftLed(Ed.OFF)

Ed.RightLed(Ed.OFF)

8. What will happen for Edison robot if the obstacle at right side, left , a head and no obstacle ?

1. Obstacle at Right: Edison will drive forward left with speed of 5

2. Obstacle at Left: Edison will drive forward right with speed of 5

3. Obstacle a head: Edison will drive backward right with speed of 5

4. No Obstacle: Edison will drive forward with speed of 5

matching :match the terms with its explanations. write the ... · section 2 –fill in the blanks...

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