Robotics Worksheet: Final Test

Robotics lesson 30: Final robotics test · Set 1 · 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 robot’s battery is at 100%. Each “forward 10 cm” uses 3% and each turn uses 1%. It runs:
   repeat 8 { forward 10 cm; turn right 90° }
   What is the battery level at the end (in %)?
2. 2.🛞 A robot’s wheels have a diameter of 14 cm. Using π = 22/7, how many full turns must they make to roll 440 cm?
3. 3.🏥 A surgery robot makes the tool move 5 times less than the surgeon’s hand. The surgeon’s hand moves 20 mm. How many mm does the tool move?
4. 4.🔋 A robot runs on 7 cells of 1.5 V joined in series. What is the total voltage (in volts)? =
5. 5.🧭 A robot faces south. It does: turn right, turn around, turn around. Which way does it face now? (a) west (b) south (c) east (d) north
6. 6.Which of these is a job people do better? (a) sort parcels all night (b) measure parts exactly (c) judge what is fair (d) lift very heavy parts
7. 7.⚙️ Pulley A turns anticlockwise and drives pulley B with a crossed belt (it makes an X). Which way does pulley B turn? (a) anticlockwise (b) clockwise
8. 8.🔢 To make a robot vacuum avoid a chair, which is the FIRST step? (a) the bumper is pressed (b) the motors turn it (c) the controller reads it (d) it drives on
9. 9.🏭 Which factory robot moves parts onto a belt? (a) a painting robot (b) a packing robot (c) a pick-and-place robot (d) an inspection robot
10. 10.True or false: the gripper move the arms and legs. (a) True (b) False
11. 11.🚀 A planet rover drives 7 cm every second. How far does it go in 15 seconds (in cm)?
12. 12.⚙️ Which gear set-up gives this: “the output is stronger”? (a) small drives big (b) big drives small
13. 13.🔢 Gear ratio = driven teeth ÷ … (a) driver teeth (b) motor volts (c) number of gears (d) wheel size
14. 14.🏭 A robot arm packs 7 boxes every minute. How many boxes does it pack in 10 minutes?
15. 15.🏭 Why do car factories use robot arms for welding? (a) fast, exact and tireless (b) they like heat (c) they never move (d) they are cheap toys
16. 16.🧩 Which part of a robot runs the program? (a) the frame (b) the motors (c) the wheels (d) the controller
17. 17.🔍 Which is the odd one out? (a) a line-follower robot (b) a bicycle (c) a parcel-sorting robot (d) a factory robot arm
18. 18.🦾 A servo program runs:
    angle = 50
    angle = angle − 10
    angle = angle + 10
    angle = angle + 40
    To what angle (in degrees) does the servo turn in the end?
19. 19.Which job is done by a pick-and-place robot? (a) moves parts onto a belt (b) joins metal parts (c) coats parts with paint (d) puts items in boxes
20. 20.🔢 To take part in a robot challenge, which comes first: “read the rules” or “test and improve”? (a) test and improve (b) read the rules
21. 21.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 80 turns a minute and the right wheel at 30 turns a minute. What does the robot do? (a) curves to the left (b) curves to the right (c) goes straight forward
22. 22.🚗 A car that brakes by itself when it senses danger is using … (a) robot technology (b) a horn (c) magic (d) a hand brake only
23. 23.🛞 What is the main difficulty with legs for a robot? (a) too fast on floors (b) they are too cheap (c) harder to balance (d) they never tire
24. 24.🛞 How far does a wheel roll in one full turn? (a) its radius (b) its weight (c) its diameter (d) its circumference
25. 25.True or false: a hand-pushed trolley is a robot. (a) False (b) True
26. 26.Which of these is not safe? (a) keep fingers off gears (b) poke fingers in gears (c) stay behind safety lines (d) keep hair tied back
27. 27.🧠 Which parts do the “sense” job? (a) the frame (b) the motors (c) the sensors (d) the battery
28. 28.🏭 Which factory robot uses heat to join steel? (a) a painting robot (b) an inspection robot (c) a welding robot (d) a packing robot
29. 29.🔢 To make a robot vacuum avoid a chair, which comes first: “the motors turn it” or “the controller reads it”? (a) the motors turn it (b) the controller reads it
30. 30.🦾 A servo program runs:
    angle = 110
    angle = angle − 40
    angle = angle + 40
    angle = angle − 30
    To what angle (in degrees) does the servo turn in the end?
31. 31.📦 How do warehouse robots help? (a) drink the oil (b) write the parcels (c) paint the roof (d) move shelves to workers
32. 32.🗺️ A robot is on a grid at (6, 4), facing south. (The first number counts squares across to the east, the second counts squares up to the north.) It runs:
    forward 2
    turn left
    forward 2
    turn left
    forward 2
    turn right
    forward 1
    On which square does it stop? (a) (9, 4) (b) (10, 4) (c) (4, 9) (d) (8, 4)
33. 33.Which job is done by the controller? (a) roll it across the floor (b) stores energy for parts (c) decides what to do next (d) must be charged again
34. 34.⬛ Going too fast round a sharp bend, a line follower may … (a) turn into a car (b) grow wheels (c) get heavier (d) lose the line
35. 35.🛑 A robot is 225 cm from a wall. It drives at 25 cm per second until it is 100 cm away, then slows to 5 cm per second and stops when it is 10 cm away. How many seconds does the whole trip take?
36. 36.🔁 A drawing robot runs:
    repeat 4 { forward 60 cm; turn right 90° }
    Which shape does it draw? (a) octagon (b) pentagon (c) triangle (d) square
37. 37.⚙️ A 12-tooth driver gear turns a 24-tooth driven gear. The driver turns 20 times. How many times does the driven gear turn?
38. 38.🔍 Which is the odd one out? (a) it counts the boxes (b) a sensor checks distance (c) the program picks a path (d) it decides to stop
39. 39.⚙️ A 20-tooth gear drives a 60-tooth gear. What is the gear ratio (driven teeth ÷ driver teeth)?
40. 40.🚀 A planet rover drives 5 cm every second. How far does it go in 15 seconds (in cm)?

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