Robotics Worksheet: Wheels, Legs and Tracks

Robotics lesson 11: Wheels, legs and tracks · Set 2 · 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 gear (c) a caster wheel (d) a track
2. 2.🛞 Why do tracks (caterpillar belts) grip soft ground well? (a) they are round (b) they are shiny (c) they spread the weight (d) they spin in the air
3. 3.Which of these suits wheels? (a) a flat road (b) a field of tall boulders (c) hovering over a roof (d) flying over a field
4. 4.Which of these suits wheels? (a) stepping over wide gaps (b) a field of tall boulders (c) a muddy building site (d) a long factory floor
5. 5.Which of these suits tracks? (a) crossing stepping-stones (b) a long factory floor (c) a flat road (d) soft snow
6. 6.🛞 Which way of moving suits this best: “a hospital corridor”? (a) tracks (b) wheels (c) propellers (d) legs
7. 7.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 20 turns a minute and the right wheel at 20 turns a minute. What does the robot do? (a) goes straight forward (b) curves to the right (c) curves to the left
8. 8.🛞 Why do most indoor robots use wheels? (a) they look funny (b) they climb stairs (c) they float (d) fast and easy on floors
9. 9.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 40 turns a minute and the right wheel at 20 turns a minute. What does the robot do? (a) goes straight forward (b) curves to the right (c) curves to the left
10. 10.True or false: “soft snow” suits propellers. (a) True (b) False
11. 11.True or false: “flying over a field” suits legs. (a) False (b) True
12. 12.🛞 How does a two-wheeled robot with no steering turn? (a) one wheel runs faster (b) it uses a sail (c) it stops for ever (d) it jumps
13. 13.🛞 Which way of moving suits this best: “deep mud”? (a) propellers (b) legs (c) tracks (d) wheels
14. 14.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 30 turns a minute and the right wheel at 30 turns a minute. What does the robot do? (a) curves to the right (b) goes straight forward (c) curves to the left
15. 15.🛞 Which way of moving suits this best: “hovering over a roof”? (a) legs (b) wheels (c) propellers (d) tracks
16. 16.Which of these suits propellers? (a) loose sand dunes (b) crossing stepping-stones (c) moving under water (d) a long factory floor
17. 17.🛞 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) turns left (b) goes straight back (c) goes straight forward (d) turns right
18. 18.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 20 turns a minute and the right wheel at 30 turns a minute. What does the robot do? (a) curves to the left (b) goes straight forward (c) curves to the right
19. 19.True or false: “a long factory floor” suits tracks. (a) False (b) True
20. 20.🛞 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) goes straight back (b) spins left on the spot (c) turns right (d) stays still
21. 21.🛞 Which way of moving suits this best: “a field of tall boulders”? (a) propellers (b) wheels (c) legs (d) tracks
22. 22.True or false: “a smooth classroom floor” suits wheels. (a) True (b) False
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.Which of these suits wheels? (a) soft snow (b) a hospital corridor (c) hovering over a roof (d) stepping over wide gaps
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) spins right on the spot (b) turns right (c) goes straight back (d) turns left
26. 26.🛞 Which way of moving suits this best: “crossing stepping-stones”? (a) tracks (b) propellers (c) legs (d) wheels
27. 27.True or false: “a flat road” suits legs. (a) True (b) False
28. 28.Which of these suits legs? (a) a muddy building site (b) a field of tall boulders (c) soft snow (d) loose sand dunes
29. 29.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 90 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
30. 30.🛞 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 right on the spot (c) turns left (d) stays still
31. 31.Which of these suits legs? (a) crossing stepping-stones (b) moving under water (c) a hospital corridor (d) soft snow
32. 32.🛞 Which way of moving suits this best: “loose sand dunes”? (a) legs (b) propellers (c) tracks (d) wheels
33. 33.Which of these suits wheels? (a) hovering over a roof (b) a smooth classroom floor (c) deep mud (d) moving under water
34. 34.🛞 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 left on the spot (b) goes straight forward (c) stays still (d) turns left
35. 35.True or false: “a flat road” suits propellers. (a) False (b) True
36. 36.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 20 turns a minute and the right wheel at 80 turns a minute. What does the robot do? (a) curves to the left (b) curves to the right (c) goes straight forward
37. 37.True or false: “hovering over a roof” suits wheels. (a) True (b) False
38. 38.True or false: “a smooth classroom floor” suits propellers. (a) True (b) False
39. 39.🛞 Which way of moving suits this best: “a long factory floor”? (a) propellers (b) legs (c) tracks (d) wheels
40. 40.True or false: “moving under water” suits tracks. (a) True (b) False

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