Revision for Grade 7 in Unit #1&3

Transcription

1 Your Name:.... Grade 7 / SEION 1 Matching :Match the terms with its explanations. Write the matching letter in the correct box. he first one has been done for you. (1 mark each) erm Explanation 1. electrical circuit a computer system with a specific function, inside a larger mechanical or electrical system 2. electric current 3. voltage source 4. battery 5. embedded system 6. microcontroller 7. robot 8. input 9. output 10. sensor a two-terminal device which can maintain a certain voltage; for example, a battery a device that detects objects, heat, light, sound or motion a group of electrical components connected by conductors. fits on a single chip and contains everything required to control an external system a machine programmed by a computer to carry out actions the place where power or information leaves the flow of electrons through a conductive material, such as a metal wire B E F G H 11. actuator an electrical power source I 12. obstacle something 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 sensor that detects IR light. 1 L M

2 SEION 2 Fill in the Blanks Fill 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 LE)- Right IR (infrared LE)-Right red LE Left red LE-Play button- Stop button- Record button ) 2

3 SEION 3 Multiple hoice hoose and circle the correct answer, B, or. (1 mark each) 1. LE stands for? ) Light Energy isplay B)Light Eco iode ) Light Emitting iode 2. Sound sensors act as on the Edison. ) an input B) an output ) a process 3. Which command turns left LE ON ) Ed.leftled(ON) B) Ed.LELEF(on) ) Ed.LeftLed(Ed.ON) 4. You can tell EdPy a loop runs forever using: ) while : B) while 1: ) loop: 5. What does this command do? Ed.imeWait(3, Ed.IME_SEONS) ) Wait for 3 seconds B) Wait for 3 minutes ) Wait for 30 seconds 3

4 SEION 3 Multiple hoice hoose and circle the correct answer, B, or. (1 mark each) 6. he following robot is used for ) Space exploration B) Fun and entertainment ) leaning floor 7. he robot can be used for. ) fun and entertainment B) building things & carrying heavy things ) Space and exploration ) ll of above 8. What is the name of this sensor ) light sensor B) ultrasonic sensor ) sound sensor ) touch sensor 9. sensor that uses sound waves to detect distance is: ) light sensor B) ultrasonic sensor ) sound sensor ) touch sensor 10. sensor that detects moisture in the surroundings is: ) light sensor B) ultrasonic sensor ) humidity sensor ) touch sensor 4

5 SEION 3 Multiple hoice hoose and circle the correct answer, B, or. (1 mark each) 11. Which of the following is example of temperature sensor? ) cooking appliances B) hermometers ) medical applications ) ll of above 12. Example of actuator is. ) Buzzer B) Fan ) Motor ) ll of above 13. a sensor that emits and/or detects infrared radiation to sense its surroundings is. Light sensor B. ultrasonic sensor. IR sensor. touch sensor 14. form of invisible light is: ) radio waves B) ultraviolet radiation ) X-rays and microwaves ) ll of above 15. Edison uses to detect obstacles. ) Infrared sensors B) sound sensors ) touch sensor ) Remote control 5

6 SEION 3 Multiple hoice hoose and circle the correct answer, B, or. (1 mark each) 16. Light sensors are used to detect.? ) Waves B) Brightness ) sound ) ll of above 17. here are light sensors on top of the Edison. ) no B) one ) wo ) four 18. What is the name of this sensor? ) ultrasonic sensor B) IR sensor ) touch sensor 19. What is the name of this sensor? ) ultrasonic sensor B) IR sensor ) touch sensor ) temperature sensor 20. Remote controllers, light switches, computers, home appliances, doorlock systems, game consoles and toys have a. ) ultrasonic sensor B) IR sensor ) touch sensor ) temperature sensor 6

7 SEION 4 rue or False hoose and circle the correct answer or. (1 mark each) 1. Robots can sense things and respond to their senses 2. Robotics would be possible without electronics. 3. he 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. control system is a device that manages or controls the behavior of other systems. 8. n actuator is the part of the robot that performs a physical action. 9. he 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. ext-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. 7

8 SEION 5 Short nswers (3 marks each) 1. 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 all the simple machines that Edison have. 5. here are four cases for Edison to sense obstacle around it which are: 8

9 SEION 5 Short nswers (3 marks each) 6. What will happen if you put your hand in front of Edison? # Setup import Ed Ed.EdisonVersion = Ed.V2 Ed.istanceUnits = Ed.M Ed.empo = Ed.EMPO_MEIUM # Your code below Ed.ObstacleetectionBeam(Ed.ON) while rue: if Ed.ReadObstacleetection()== Ed.OBSLE_HE: Ed.PlayBeep() 7. Program your Edison to turn ON both LEs when an obstacle is detected ahead. If there is no obstacle detected, both LEs should be OFF. ontinue the following code. # Setup import Ed Ed.EdisonVersion = Ed.V2 Ed.istanceUnits = Ed.M Ed.empo = Ed.EMPO_MEIUM # Your code below Ed.ObstacleetectionBeam(Ed.ON) while rue: if Ed.ReadObstacleetection()== Ed.OBSLE_HE: # urn left LE ON else: # urn right LE ON # urn left LE OFF # urn right LE OFF 9

10 SEION 5 Short nswers (3 marks each) 8. What will happen for Edison robot if the obstacle at right side, left, a head and no obstacle? # Setup import Ed Ed.EdisonVersion = Ed.V2 Ed.istanceUnits = Ed.M Ed.empo = Ed.EMPO_MEIUM # Your code below Ed.ObstacleetectionBeam(Ed.ON) while rue: Obs = Ed.ReadObstacleetection() if Obs == Ed.OBSLE_HE: Ed.rive(Ed.BKWR_RIGH, Ed.SPEE_5, Ed.ISNE_UNLIMIE) elif Obs == Ed.OBSLE_RIGH: Ed.rive(Ed.FORWR_LEF, Ed.SPEE_5, Ed.ISNE_UNLIMIE) elif Obs == Ed.OBSLE_LEF: Ed.rive(Ed.FORWR_RIGH, Ed.SPEE_5, Ed.ISNE_UNLIMIE) else: Ed.rive(Ed.FORWR, Ed.SPEE_5, Ed.ISNE_UNLIMIE) Ed.imeWait(200, Ed.IME_MILLISEONS) 1. Obstacle at Right: 2. Obstacle at Left: 3. Obstacle a head: 4. No Obstacle: 10

11 SEION 1 nswer Key H B I E F L G K J SEION 2 Microcontroller SEION B B B 11

12 SEION 4 nswer Key F F F F SEION 5 1. robot has three main parts: I. ontrol system (brain) II. Sensors (input) III. ctuators (output) 2. List some applications for the actuators. I. Buzzer: alarm systems II. III. Fan: computer cooling system Motor: robot joints, remote controlled car 3. What outputs does Edison have? Motors, buzzer, LEs, 4. Edison has many simple machines and mechanisms. List all the simple machines that Edison have. I. Wheels and axles. II. III. Screws. Gears. 5. here are four cases for Edison to sense obstacle around it which are: I. obstacle ahead II. obstacle to the left III. obstacle to the right IV. no obstacle is detected 12

13 SEION 5 nswer Key 6. What will happen if you put your hand in front of Edison? Ed.PlayBeep() Edison will play beep sound. 7. Program your Edison to turn ON both LEs when an obstacle is detected ahead. If there is no obstacle detected, both LEs should be OFF. ontinue the following code. if Ed.ReadObstacleetection()== Ed.OBSLE_HE: 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 13