Robotics Worksheet: Wheels, Legs and Tracks

Robotics lesson 11: Wheels, legs and tracks · Set 150 · 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 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) spins left on the spot (b) spins right on the spot (c) turns left (d) goes straight back
2. 2.🛞 How does a two-wheeled robot with no steering turn? (a) it stops for ever (b) it jumps (c) it uses a sail (d) one wheel runs faster
3. 3.🛞 Which way of moving suits this best: “deep mud”? (a) wheels (b) tracks (c) legs (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 60 turns a minute. What does the robot do? (a) goes straight forward (b) curves to the right (c) curves to the left
5. 5.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 70 turns a minute and the right wheel at 80 turns a minute. What does the robot do? (a) goes straight forward (b) curves to the left (c) curves to the right
6. 6.🛞 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 back (b) turns left (c) spins left on the spot (d) stays still
7. 7.True or false: “flying over a field” suits tracks. (a) True (b) False
8. 8.🛞 Which way of moving suits this best: “soft snow”? (a) legs (b) wheels (c) propellers (d) tracks
9. 9.🛞 Why do most indoor robots use wheels? (a) they look funny (b) fast and easy on floors (c) they float (d) they climb stairs
10. 10.True or false: “crossing stepping-stones” suits tracks. (a) True (b) False
11. 11.🛞 Which way of moving suits this best: “a field of tall boulders”? (a) wheels (b) tracks (c) legs (d) propellers
12. 12.🛞 Which way of moving suits this best: “moving under water”? (a) propellers (b) legs (c) tracks (d) wheels
13. 13.True or false: “a muddy building site” suits wheels. (a) True (b) False
14. 14.🛞 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 right (c) curves to the left
15. 15.🛞 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 left (b) curves to the right (c) goes straight forward
16. 16.True or false: “moving under water” suits wheels. (a) True (b) False
17. 17.True or false: “a flat road” suits wheels. (a) False (b) True
18. 18.Which of these suits tracks? (a) deep mud (b) stepping over wide gaps (c) a smooth classroom floor (d) moving under water
19. 19.Which of these suits propellers? (a) stepping over wide gaps (b) hovering over a roof (c) a field of tall boulders (d) a long factory floor
20. 20.True or false: “a hospital corridor” suits wheels. (a) False (b) True
21. 21.🛞 Which way of moving suits this best: “a hospital corridor”? (a) tracks (b) propellers (c) legs (d) wheels
22. 22.🛞 Why do tracks (caterpillar belts) grip soft ground well? (a) they spin in the air (b) they are shiny (c) they are round (d) they spread the weight
23. 23.Which of these suits tracks? (a) a field of tall boulders (b) a muddy building site (c) a smooth classroom floor (d) flying over a field
24. 24.True or false: “a smooth classroom floor” suits wheels. (a) False (b) True
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 is stopped. What does the robot do? (a) turns left (b) spins left on the spot (c) stays still (d) spins right on the spot
26. 26.🛞 Which way of moving suits this best: “stepping over wide gaps”? (a) tracks (b) legs (c) propellers (d) wheels
27. 27.🛞 Which way of moving suits this best: “a long factory floor”? (a) wheels (b) legs (c) tracks (d) propellers
28. 28.True or false: “stepping over wide gaps” suits propellers. (a) False (b) True
29. 29.🛞 Which way of moving suits this best: “a smooth classroom floor”? (a) tracks (b) legs (c) wheels (d) propellers
30. 30.Which of these suits wheels? (a) soft snow (b) a smooth classroom floor (c) a field of tall boulders (d) loose sand dunes
31. 31.True or false: “moving under water” suits tracks. (a) False (b) True
32. 32.🛞 What is the main difficulty with legs for a robot? (a) harder to balance (b) they are too cheap (c) they never tire (d) too fast on floors
33. 33.🛞 A small free-turning wheel that only helps a robot balance is called … (a) a gear (b) a caster wheel (c) a servo (d) a track
34. 34.True or false: “stepping over wide gaps” suits tracks. (a) False (b) True
35. 35.🛞 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) spins left on the spot (b) goes straight forward (c) stays still (d) spins right on the spot
36. 36.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 100 turns a minute and the right wheel at 90 turns a minute. What does the robot do? (a) curves to the right (b) goes straight forward (c) curves to the left
37. 37.True or false: “hovering over a roof” suits propellers. (a) False (b) True
38. 38.Which of these suits wheels? (a) stepping over wide gaps (b) deep mud (c) flying over a field (d) a hospital corridor
39. 39.🛞 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) stays still (c) turns right (d) spins left on the spot
40. 40.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 90 turns a minute and the right wheel at 80 turns a minute. What does the robot do? (a) goes straight forward (b) curves to the left (c) curves to the right

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