Robotics Worksheet: Final Test

Robotics lesson 30: Final robotics test · Set 14 · 40 questions

Robot tip (Find the topic, use the idea): Find the topic: robot basics, moving, gears, sensors or programs. Use that lesson’s rule — sense/think/act, teeth × turns, circumference × turns, 17 cm per ms, follow every line. Safety answers are always: switch off, stay out of reach, an adult nearby, the emergency stop.

1. 1.True or false: “good for lifting loads” happens when a small gear drives a big one. (a) True (b) False
2. 2.🔍 Which is the odd one out? (a) a hand whisk (b) a fruit-picking robot (c) a wheelbarrow (d) a ceiling fan
3. 3.🔍 Which is the odd one out? (a) a bicycle (b) a pair of scissors (c) a garden swing (d) a delivery robot
4. 4.⚙️ DC motor or servo motor: which one reverses if wires swap? (a) a DC motor (b) a servo motor
5. 5.🔢 To debug a robot program, which comes first: “run the program” or “test it again”? (a) test it again (b) run the program
6. 6.🏆 Good or poor teamwork: to grab the robot? (a) poor teamwork (b) good teamwork
7. 7.📋 What does “speed = speed + 10” do? (a) stops the robot (b) takes 10 away (c) adds 10 to the speed (d) sets speed to 10
8. 8.🛞 A robot has one motor on its left wheel and one on its right wheel. The left motor runs backward and the right motor runs forward. What does the robot do? (a) turns left (b) turns right (c) spins right on the spot (d) spins left on the spot
9. 9.🛡️ Responsible or not: to record people secretly? (a) not responsible (b) responsible
10. 10.⚙️ Two gears are meshed together. How do they turn? (a) they do not turn (b) the same direction (c) in opposite directions (d) one up, one down
11. 11.🏭 Why are factory robot arms kept inside fences? (a) to stop them escaping (b) to keep people safe (c) to keep them warm (d) to hide them
12. 12.🔋 What does a robot vacuum do when its battery is low? (a) explodes (b) turns into a car (c) goes back to its dock (d) keeps going for ever
13. 13.🤖 if (bumper is pressed) { back up and turn right } else { go forward }
    The bumper is pressed. What does the robot do? (a) back up and turn right (b) go forward
14. 14.⬛ A one-sensor robot follows the edge of a line:
    if (light < 50) { turn right } else { turn left }
    The sensor reads 45. What does it do? (a) turn left (b) turn right
15. 15.🔢 To debug a robot program, which comes first: “spot what went wrong” or “find the buggy line”? (a) find the buggy line (b) spot what went wrong
16. 16.🐞 A robot starts at (5, 0) facing north (the second number counts squares up, the first counts squares across to the east). It should stop on the star at (4, 4). Its program:
    1. forward 4
    2. turn right
    3. forward 1
    It stops at (6, 4) instead. Which line has the bug? (a) line 3 (b) line 2 (c) line 1
17. 17.🤝 Who usually does this better — a robot or a person? “make a new friend” (a) a person (b) a robot
18. 18.🌍 Where does a germ-killing UV robot usually work? (a) in a factory (b) at home (c) in a hospital (d) on a farm
19. 19.⚙️ A big gear drives a small gear. The small gear turns … (a) at the same speed (b) slower but stronger (c) faster but weaker (d) not at all
20. 20.🔁 A drawing robot runs:
    repeat 6 { forward 25 cm; turn right 60° }
    How many cm does it drive in all?
21. 21.🏭 Which factory robot checks with a camera? (a) a welding robot (b) an inspection robot (c) a painting robot (d) a packing robot
22. 22.🐞 This program should draw a regular triangle (3 equal sides), but it leaves a gap:
    repeat 2 { forward 10 cm; turn right 120° }
    What should the number 2 after “repeat” be?
23. 23.True or false: a line-follower robot is a robot. (a) True (b) False
24. 24.⚙️ DC motor or servo motor: which one spins round and round? (a) a servo motor (b) a DC motor
25. 25.🔍 Which is the odd one out? (a) make a new friend (b) work in great heat (c) sort parcels all night (d) spray crops evenly
26. 26.⚠️ What should every big robot have in case of danger? (a) an emergency stop button (b) a music player (c) a paint brush (d) a cup holder
27. 27.⬛ A one-sensor robot follows the edge of a line:
    if (light < 40) { turn right } else { turn left }
    The sensor reads 23. What does it do? (a) turn left (b) turn right
28. 28.⬛ Why does a light sensor read a LOW number over a black line? (a) black is hot (b) black is wet (c) black is loud (d) black soaks up light
29. 29.🛞 Which way of moving suits this best: “stepping over wide gaps”? (a) tracks (b) wheels (c) propellers (d) legs
30. 30.⚙️ How do you make a DC motor spin the other way? (a) paint it red (b) swap its two wires (c) add more wheels (d) shake it
31. 31.🔍 What does a gyro sensor measure? (a) colour (b) temperature (c) sound (d) turning (rotation)
32. 32.🔦 A light sensor reads 40 over black and 70 over white. A good threshold is halfway between them. What is it?
33. 33.🔁 A drawing robot runs:
    repeat 3 { forward 100 cm; turn right 120° }
    Which shape does it draw? (a) pentagon (b) square (c) triangle (d) hexagon
34. 34.🤖 Is a floor-cleaning robot a robot? (a) not a robot (b) a robot
35. 35.🌍 Where does a weeding robot usually work? (a) at home (b) in a warehouse (c) in a factory (d) on a farm
36. 36.True or false: to say when it is a bot is not a responsible way to use robots and AI. (a) False (b) True
37. 37.🔢 To debug a robot program, what comes right after “find the buggy line”? (a) run the program (b) spot what went wrong (c) test it again (d) fix one thing
38. 38.🔍 Which sensor helps a robot start on a hand clap? (a) a gyro sensor (b) a temperature sensor (c) a sound sensor (d) a light sensor
39. 39.🔍 Which sensor helps a robot follow a black line? (a) a sound sensor (b) a temperature sensor (c) a gyro sensor (d) a light sensor
40. 40.⚙️ DC motor or servo motor: which one holds a set angle? (a) a servo motor (b) a DC motor

Free robotics lessons, practice and worksheets at talentjr.in/robotics-for-kids