Robotics Worksheet: Wheels, Legs and Tracks

Robotics lesson 11: Wheels, legs and tracks · Set 196 · 40 questions

Robot tip (Ground decides): Wheels: smooth flat ground. Tracks: mud, sand, snow. Legs: gaps and stepping places. Propellers: air and water. Two-wheel steering: both wheels forward at the same speed → straight; left faster → curves right; right faster → curves left. One wheel stopped → turns towards the stopped wheel; wheels in opposite directions → spins on the spot.

1. 1.🛞 A small free-turning wheel that only helps a robot balance is called … (a) a servo (b) a track (c) a gear (d) a caster wheel
2. 2.🛞 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 backward. What does the robot do? (a) goes straight back (b) spins left on the spot (c) stays still (d) goes straight forward
3. 3.🛞 Which way of moving suits this best: “moving under water”? (a) wheels (b) legs (c) tracks (d) propellers
4. 4.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 100 turns a minute and the right wheel at 40 turns a minute. What does the robot do? (a) curves to the left (b) curves to the right (c) goes straight forward
5. 5.Which of these suits tracks? (a) stepping over wide gaps (b) hovering over a roof (c) a muddy building site (d) moving under water
6. 6.🛞 Why do most indoor robots use wheels? (a) they climb stairs (b) they float (c) they look funny (d) fast and easy on floors
7. 7.True or false: “a smooth classroom floor” suits wheels. (a) True (b) False
8. 8.True or false: “flying over a field” suits propellers. (a) False (b) True
9. 9.True or false: “crossing stepping-stones” suits legs. (a) False (b) True
10. 10.🛞 A robot has one motor on its left wheel and one on its right wheel. The left motor is stopped and the right motor is stopped. What does the robot do? (a) stays still (b) turns left (c) turns right (d) goes straight back
11. 11.Which of these suits legs? (a) soft snow (b) a long factory floor (c) hovering over a roof (d) stepping over wide gaps
12. 12.🛞 Which way of moving suits this best: “soft snow”? (a) wheels (b) tracks (c) legs (d) propellers
13. 13.Which of these suits wheels? (a) a muddy building site (b) a hospital corridor (c) loose sand dunes (d) deep mud
14. 14.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 90 turns a minute and the right wheel at 10 turns a minute. What does the robot do? (a) curves to the right (b) curves to the left (c) goes straight forward
15. 15.True or false: “a flat road” suits legs. (a) False (b) True
16. 16.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 60 turns a minute and the right wheel at 40 turns a minute. What does the robot do? (a) curves to the left (b) curves to the right (c) goes straight forward
17. 17.🛞 A robot has one motor on its left wheel and one on its right wheel. The left motor is stopped and the right motor runs forward. What does the robot do? (a) stays still (b) turns left (c) spins right on the spot (d) goes straight forward
18. 18.True or false: “moving under water” suits wheels. (a) False (b) True
19. 19.Which of these suits propellers? (a) soft snow (b) a smooth classroom floor (c) deep mud (d) flying over a field
20. 20.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 50 turns a minute and the right wheel at 100 turns a minute. What does the robot do? (a) curves to the right (b) curves to the left (c) goes straight forward
21. 21.🛞 A robot has one motor on its left wheel and one on its right wheel. The left motor runs forward and the right motor runs backward. What does the robot do? (a) stays still (b) goes straight back (c) turns right (d) spins right on the spot
22. 22.🛞 Which way of moving suits this best: “a field of tall boulders”? (a) tracks (b) propellers (c) legs (d) wheels
23. 23.🛞 Why do tracks (caterpillar belts) grip soft ground well? (a) they spin in the air (b) they are round (c) they spread the weight (d) they are shiny
24. 24.Which of these suits tracks? (a) loose sand dunes (b) moving under water (c) crossing stepping-stones (d) a field of tall boulders
25. 25.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 70 turns a minute and the right wheel at 40 turns a minute. What does the robot do? (a) curves to the right (b) curves to the left (c) goes straight forward
26. 26.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 80 turns a minute and the right wheel at 40 turns a minute. What does the robot do? (a) curves to the left (b) curves to the right (c) goes straight forward
27. 27.🛞 Which way of moving suits this best: “a flat road”? (a) legs (b) propellers (c) tracks (d) wheels
28. 28.Which of these suits legs? (a) soft snow (b) deep mud (c) a hospital corridor (d) a field of tall boulders
29. 29.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 60 turns a minute and the right wheel at 100 turns a minute. What does the robot do? (a) goes straight forward (b) curves to the left (c) curves to the right
30. 30.🛞 How does a two-wheeled robot with no steering turn? (a) it stops for ever (b) one wheel runs faster (c) it jumps (d) it uses a sail
31. 31.True or false: “deep mud” suits tracks. (a) False (b) True
32. 32.🛞 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) spins right on the spot (b) goes straight back (c) spins left on the spot (d) turns left
33. 33.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 60 turns a minute and the right wheel at 30 turns a minute. What does the robot do? (a) goes straight forward (b) curves to the right (c) curves to the left
34. 34.🛞 Which way of moving suits this best: “a hospital corridor”? (a) legs (b) tracks (c) propellers (d) wheels
35. 35.🛞 What is the main difficulty with legs for a robot? (a) they are too cheap (b) harder to balance (c) too fast on floors (d) they never tire
36. 36.🛞 Which way of moving suits this best: “deep mud”? (a) wheels (b) propellers (c) tracks (d) legs
37. 37.Which of these suits tracks? (a) a field of tall boulders (b) deep mud (c) flying over a field (d) moving under water
38. 38.True or false: “soft snow” suits tracks. (a) True (b) False
39. 39.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 10 turns a minute and the right wheel at 40 turns a minute. What does the robot do? (a) curves to the right (b) goes straight forward (c) curves to the left
40. 40.True or false: “moving under water” suits legs. (a) True (b) False

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