Robotics Worksheet: Final Test

Robotics lesson 30: Final robotics test · Set 15 · 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 13 ms later. Sound travels about 34 cm every millisecond. How far away is the object (in cm)?
2. 2.🛞 Why do most indoor robots use wheels? (a) they look funny (b) fast and easy on floors (c) they climb stairs (d) they float
3. 3.🔋 A robot’s battery is at 80% and charging adds 20% every 10 minutes. How many minutes until it is full (100%)?
4. 4.True or false: “weld 1000 car doors” is a job people do better. (a) True (b) False
5. 5.🛞 A robot’s wheels have a diameter of 10 cm. Using π = 3.14, how far does the robot roll when the wheels turn 4 times (in cm)? =
6. 6.Which job is done by the wheels? (a) holds all parts together (b) must be charged again (c) move the arms and legs (d) roll it across the floor
7. 7.🏭 A robot arm packs 12 boxes every minute. How many boxes does it pack in 5 minutes?
8. 8.Which job needs a distance sensor? (a) hear a whistle (b) measure how far a box is (c) feel a bump into a wall (d) find the brightest spot
9. 9.🏭 What carries parts from one robot to the next in a factory? (a) a kite (b) a conveyor belt (c) a garden hose (d) a ladder
10. 10.True or false: to use a swollen battery is not safe. (a) False (b) True
11. 11.🏭 Which factory robot moves parts onto a belt? (a) a welding robot (b) an inspection robot (c) a pick-and-place robot (d) a painting robot
12. 12.🔋 What powers most moving robots? (a) a candle (b) a rechargeable battery (c) a tiny magnet (d) a water tank
13. 13.🏥 A surgery robot makes the tool move 4 times less than the surgeon’s hand. The surgeon’s hand moves 8 mm. How many mm does the tool move?
14. 14.Which job needs a camera? (a) stop before a wall (b) warn if motors get hot (c) feel a bump into a wall (d) read a QR code
15. 15.🏭 Which factory robot puts chips on a board? (a) a welding robot (b) a pick-and-place robot (c) a packing robot (d) an inspection robot
16. 16.🧩 Which part of a robot tell it what is around? (a) the sensors (b) the battery (c) the gripper (d) the motors
17. 17.🗺️ A robot is on a grid at (1, 1), facing north. (The first number counts squares across to the east, the second counts squares up to the north.) It runs:
    forward 2
    turn left
    forward 1
    What is the first number (across) of the square where it stops?
18. 18.Which of these is not safe? (a) charge on a hard surface (b) keep fingers off gears (c) charge it on a bed (d) keep hair tied back
19. 19.🏭 A robot arm puts caps on 9 bottles each minute. How many minutes does it take to cap 63 bottles?
20. 20.🛞 A robot’s wheels have a diameter of 14 cm. Using π = 22/7, how far does the robot roll when the wheels turn 5 times (in cm)?
21. 21.Which of these robots works on a farm? (a) a car-painting robot (b) a crop-spraying drone (c) a pool-cleaning robot (d) a parcel-sorting robot
22. 22.📡 What does an ultrasonic distance sensor send out? (a) water drops (b) bright light (c) radio music (d) sound too high to hear
23. 23.🛑 A robot is 110 cm from a wall and drives towards it at 20 cm per second. It must stop 30 cm before the wall. For how many seconds can it drive?
24. 24.Which of these robots works under the sea? (a) a seabed pipe robot (b) a robot lawn mower (c) a crop-spraying drone (d) a space-station arm
25. 25.📡 Which object is hardest for an echo sensor to notice? (a) a flat wall (b) a metal door (c) a wooden box (d) a soft foam cushion
26. 26.🤖 Is a ceiling fan a robot? (a) not a robot (b) a robot
27. 27.True or false: “lift very heavy parts” is a job people do better. (a) True (b) False
28. 28.🚀 A rover drives 1 cm every second for 10 minutes. How many metres does it travel? =
29. 29.⚙️ A robot fan must spin very fast. The motor’s driver gear meshes with a small gear. What kind of driver gear works best? (a) a small driver gear (b) a big driver gear
30. 30.True or false: to keep fingers off gears is safe. (a) False (b) True
31. 31.📋 A program says “speed = 30” and then “speed = 50”. What is the speed? (a) 20 (b) 50 (c) 80 (d) 30
32. 32.🔁 A robot must draw a regular pentagon (5 equal sides):
    repeat 5 { forward 20 cm; turn right ?° }
    What number goes in place of “?”
33. 33.🧠 Sense, think or act: “the arm lifts a box”? (a) act (b) sense (c) think
34. 34.🧭 How many degrees is a right-angle turn? (a) 90° (b) 180° (c) 45° (d) 360°
35. 35.🗺️ A robot is on a grid at (2, 5), facing south. (The first number counts squares across to the east, the second counts squares up to the north.) It runs:
    forward 3
    turn right
    forward 2
    turn right
    forward 1
    Which way does it face at the end? (a) south (b) north (c) west (d) east
36. 36.🤖 Is a planet rover a robot? (a) a robot (b) not a robot
37. 37.🚀 A rover drives 4 cm every second for 5 minutes. How many metres does it travel? =
38. 38.🤝 Who should make the big decisions about a robot’s work? (a) people (b) the robot itself (c) a random number (d) nobody
39. 39.True or false: to copy another team is good teamwork. (a) False (b) True
40. 40.🔁 How many sides does a hexagon have? (a) 8 (b) 6 (c) 7 (d) 5

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