Robotics Worksheet: Wheels, Legs and Tracks

Robotics lesson 11: Wheels, legs and tracks · Set 254 · 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.🛞 How does a two-wheeled robot with no steering turn? (a) it stops for ever (b) it uses a sail (c) one wheel runs faster (d) it jumps
2. 2.Which of these suits wheels? (a) stepping over wide gaps (b) loose sand dunes (c) hovering over a roof (d) a hospital corridor
3. 3.🛞 Which way of moving suits this best: “a flat road”? (a) legs (b) wheels (c) propellers (d) tracks
4. 4.🛞 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 forward. What does the robot do? (a) stays still (b) goes straight forward (c) goes straight back (d) turns right
5. 5.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 30 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
6. 6.Which of these suits wheels? (a) a long factory floor (b) stepping over wide gaps (c) loose sand dunes (d) soft snow
7. 7.True or false: “a hospital corridor” suits propellers. (a) True (b) False
8. 8.🛞 Why do most indoor robots use wheels? (a) they climb stairs (b) they float (c) fast and easy on floors (d) they look funny
9. 9.🛞 A robot has one motor on its left wheel and one on its right wheel. The left motor runs forward and the right motor is stopped. What does the robot do? (a) stays still (b) turns right (c) goes straight back (d) spins left on the spot
10. 10.🛞 Which way of moving suits this best: “moving under water”? (a) legs (b) wheels (c) propellers (d) tracks
11. 11.🛞 Which way of moving suits this best: “stepping over wide gaps”? (a) wheels (b) propellers (c) legs (d) tracks
12. 12.🛞 Which way of moving suits this best: “hovering over a roof”? (a) legs (b) tracks (c) wheels (d) propellers
13. 13.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 50 turns a minute and the right wheel at 80 turns a minute. What does the robot do? (a) curves to the right (b) curves to the left (c) goes straight forward
14. 14.True or false: “a hospital corridor” suits wheels. (a) False (b) True
15. 15.🛞 Which way of moving suits this best: “flying over a field”? (a) tracks (b) legs (c) propellers (d) wheels
16. 16.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 10 turns a minute and the right wheel at 60 turns a minute. What does the robot do? (a) goes straight forward (b) curves to the right (c) curves to the left
17. 17.Which of these suits legs? (a) a field of tall boulders (b) moving under water (c) loose sand dunes (d) soft snow
18. 18.🛞 Which way of moving suits this best: “loose sand dunes”? (a) propellers (b) wheels (c) tracks (d) legs
19. 19.Which of these suits legs? (a) deep mud (b) hovering over a roof (c) a muddy building site (d) stepping over wide gaps
20. 20.True or false: “a smooth classroom floor” suits legs. (a) True (b) False
21. 21.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 70 turns a minute and the right wheel at 10 turns a minute. What does the robot do? (a) curves to the right (b) goes straight forward (c) curves to the left
22. 22.True or false: “moving under water” suits propellers. (a) False (b) True
23. 23.Which of these suits propellers? (a) flying over a field (b) a smooth classroom floor (c) soft snow (d) a flat road
24. 24.Which of these suits legs? (a) crossing stepping-stones (b) moving under water (c) a muddy building site (d) loose sand dunes
25. 25.🛞 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) goes straight forward (b) turns right (c) spins right on the spot (d) turns left
26. 26.🛞 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) turns left (b) goes straight back (c) spins right on the spot (d) spins left on the spot
27. 27.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 30 turns a minute and the right wheel at 60 turns a minute. What does the robot do? (a) curves to the right (b) curves to the left (c) goes straight forward
28. 28.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 20 turns a minute and the right wheel at 100 turns a minute. What does the robot do? (a) curves to the left (b) curves to the right (c) goes straight forward
29. 29.True or false: “deep mud” suits propellers. (a) True (b) False
30. 30.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 30 turns a minute and the right wheel at 20 turns a minute. What does the robot do? (a) curves to the right (b) curves to the left (c) goes straight forward
31. 31.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 30 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
32. 32.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 70 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 left (c) curves to the right
33. 33.🛞 What is the main difficulty with legs for a robot? (a) they are too cheap (b) harder to balance (c) they never tire (d) too fast on floors
34. 34.🛞 Which way of moving suits this best: “a muddy building site”? (a) legs (b) tracks (c) propellers (d) wheels
35. 35.🛞 A small free-turning wheel that only helps a robot balance is called … (a) a servo (b) a gear (c) a caster wheel (d) a track
36. 36.True or false: “loose sand dunes” suits legs. (a) True (b) False
37. 37.True or false: “stepping over wide gaps” suits legs. (a) False (b) True
38. 38.True or false: “flying over a field” suits propellers. (a) False (b) True
39. 39.🛞 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) turns left (b) spins left on the spot (c) goes straight back (d) stays still
40. 40.Which of these suits tracks? (a) a muddy building site (b) a field of tall boulders (c) a flat road (d) moving under water

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