Robotics Worksheet: Final Test

Robotics lesson 30: Final robotics test · Set 11 · 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.📡 A distance sensor sends a sound pulse and hears the echo 10 ms later. Sound travels about 34 cm every millisecond. How far away is the object (in cm)?
2. 2.True or false: “moving under water” suits propellers. (a) True (b) False
3. 3.🧭 A robot should turn right 180°, but its gyro shows it turned 173°. How many degrees must it turn more to the right?
4. 4.Which of these is a responsible way to use robots and AI? (a) scare pets with a robot (b) take off a safety guard (c) trust every AI answer (d) explain how it decides
5. 5.🏭 Which factory robot uses heat to join steel? (a) an inspection robot (b) a welding robot (c) a painting robot (d) a pick-and-place robot
6. 6.🔢 To debug a robot program, what comes right after “run the program”? (a) spot what went wrong (b) fix one thing (c) find the buggy line (d) test it again
7. 7.🔁 A drawing robot runs:
   repeat 4 { forward 35 cm; turn right 90° }
   How many cm does it drive in all?
8. 8.Which of these is a robot? (a) a hammer (b) a pair of scissors (c) a delivery robot (d) a wheelbarrow
9. 9.🔢 To make a robot vacuum avoid a chair, what comes right after “the bumper is pressed”? (a) it decides to turn (b) the motors turn it (c) the controller reads it (d) it drives on
10. 10.🧠 A robot keeps repeating sense → think → act. This repeating is called … (a) a battery (b) a gear (c) a crash (d) a loop
11. 11.⬛ In a two-sensor line follower, both sensors see white. Where is the line? (a) far behind it (b) between the two sensors (c) under the right sensor (d) under the left sensor
12. 12.🚀 A radio message takes 9 minutes to travel between the team and a far-away rover. The rover answers at once. How many minutes after sending a command does the team get the answer?
13. 13.📋 A program says “speed = 30” and then “speed = 50”. What is the speed? (a) 30 (b) 20 (c) 80 (d) 50
14. 14.🛡️ Responsible or not: to keep recordings private? (a) responsible (b) not responsible
15. 15.🧩 Which parts are like the robot’s muscles? (a) the motors (b) the frame (c) the battery (d) the sensors
16. 16.Which of these is a job people do better? (a) weld 1000 car doors (b) lift very heavy parts (c) cheer up a lonely child (d) work in great heat
17. 17.🧩 Which part is like the robot’s skeleton? (a) the frame (b) the program (c) the battery (d) the sensors
18. 18.⚙️ A 16-tooth driver gear turns an 8-tooth driven gear. The driver turns 6 times. How many times does the driven gear turn?
19. 19.🏭 Which factory robot checks with a camera? (a) a painting robot (b) an inspection robot (c) a packing robot (d) a pick-and-place robot
20. 20.🗺️ A robot is on a grid at (4, 6), facing east. (The first number counts squares across to the east, the second counts squares up to the north.) It runs:
    forward 1
    turn right
    forward 1
    What is the first number (across) of the square where it stops?
21. 21.⚙️ A robot arm must lift a heavy load slowly. The motor’s driver gear meshes with a big gear. What kind of driver gear works best? (a) a small driver gear (b) a big driver gear
22. 22.🤖 A robot is 34 cm from a wall. It runs:
    while (distance > 20) { forward 10 cm }
    stop
    How many times does it move forward?
23. 23.🔍 Which is the odd one out? (a) search a smoky building (b) lift very heavy parts (c) weld 1000 car doors (d) write a funny story
24. 24.🏭 A robot arm puts caps on 6 bottles each minute. How many minutes does it take to cap 66 bottles?
25. 25.True or false: to use a swollen battery is not safe. (a) False (b) True
26. 26.Which of these robots works at home? (a) a lab sample robot (b) a planet rover (c) a robot lawn mower (d) a box-stacking robot
27. 27.⚙️ A 12-tooth driver gear must make the driven gear turn 2 times slower. How many teeth must the driven gear have?
28. 28.⚠️ What should every big robot have in case of danger? (a) a cup holder (b) a music player (c) an emergency stop button (d) a paint brush
29. 29.Which job is done by the gripper? (a) picks up objects (b) runs the program (c) roll it across the floor (d) must be charged again
30. 30.🔍 What does a gyro sensor measure? (a) sound (b) turning (rotation) (c) temperature (d) colour
31. 31.📋 What does “speed = speed + 10” do? (a) stops the robot (b) takes 10 away (c) sets speed to 10 (d) adds 10 to the speed
32. 32.True or false: to measure how far a box is, use a camera. (a) True (b) False
33. 33.🔢 To debug a robot program, what comes right after “spot what went wrong”? (a) run the program (b) fix one thing (c) test it again (d) find the buggy line
34. 34.🌍 Where does a chip-placing robot usually work? (a) in space (b) in a warehouse (c) in a factory (d) under the sea
35. 35.⬛ Going too fast round a sharp bend, a line follower may … (a) lose the line (b) turn into a car (c) grow wheels (d) get heavier
36. 36.🌍 Where does a deep-sea robot usually work? (a) in a warehouse (b) on a farm (c) at home (d) under the sea
37. 37.🔋 A robot uses 5% of its battery every 2 minutes. How many minutes does a full battery (100%) last?
38. 38.🧭 What does a gyro help a robot do? (a) see colours (b) hear claps (c) turn by exact angles (d) smell smoke
39. 39.🔁 A robot must draw a regular octagon (8 equal sides):
    repeat 8 { forward 95 cm; turn right ?° }
    What number goes in place of “?”
40. 40.🏆 Each block a robot stacks scores 10 points, and each time a team member touches the robot, the team loses 5 points. A team stacks 9 blocks and touches the robot 3 times. What is the score?

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