Robotics Worksheet: Wheels, Legs and Tracks

Robotics lesson 11: Wheels, legs and tracks · Set 42 · 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.🛞 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) turns right (b) turns left (c) goes straight back (d) spins left on the spot
3. 3.🛞 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) spins left on the spot (c) stays still (d) turns left
4. 4.Which of these suits wheels? (a) crossing stepping-stones (b) hovering over a roof (c) a field of tall boulders (d) a smooth classroom floor
5. 5.🛞 Which way of moving suits this best: “a smooth classroom floor”? (a) wheels (b) propellers (c) legs (d) tracks
6. 6.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 80 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 right (c) curves to the left
7. 7.🛞 Why do most indoor robots use wheels? (a) they look funny (b) they climb stairs (c) they float (d) fast and easy on floors
8. 8.🛞 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 right
9. 9.🛞 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
10. 10.🛞 A small free-turning wheel that only helps a robot balance is called … (a) a servo (b) a caster wheel (c) a gear (d) a track
11. 11.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 80 turns a minute and the right wheel at 70 turns a minute. What does the robot do? (a) curves to the left (b) curves to the right (c) goes straight forward
12. 12.Which of these suits propellers? (a) a muddy building site (b) loose sand dunes (c) crossing stepping-stones (d) moving under water
13. 13.🛞 Why do tracks (caterpillar belts) grip soft ground well? (a) they spread the weight (b) they are round (c) they are shiny (d) they spin in the air
14. 14.True or false: “hovering over a roof” suits propellers. (a) True (b) False
15. 15.Which of these suits wheels? (a) soft snow (b) a hospital corridor (c) a muddy building site (d) stepping over wide gaps
16. 16.🛞 Which way of moving suits this best: “a long factory floor”? (a) tracks (b) propellers (c) legs (d) wheels
17. 17.🛞 Which way of moving suits this best: “a field of tall boulders”? (a) tracks (b) legs (c) wheels (d) propellers
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 20 turns a minute. What does the robot do? (a) goes straight forward (b) curves to the right (c) curves to the left
19. 19.Which of these suits propellers? (a) a muddy building site (b) a long factory floor (c) deep mud (d) hovering over a roof
20. 20.🛞 Which way of moving suits this best: “deep mud”? (a) legs (b) tracks (c) propellers (d) wheels
21. 21.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 60 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
22. 22.🛞 Which way of moving suits this best: “a flat road”? (a) propellers (b) wheels (c) legs (d) tracks
23. 23.🛞 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) turns right (c) goes straight forward (d) goes straight back
24. 24.🛞 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) spins right on the spot (c) goes straight back (d) turns right
25. 25.Which of these suits tracks? (a) crossing stepping-stones (b) deep mud (c) stepping over wide gaps (d) a hospital corridor
26. 26.Which of these suits wheels? (a) crossing stepping-stones (b) a long factory floor (c) moving under water (d) deep mud
27. 27.🛞 Which way of moving suits this best: “stepping over wide gaps”? (a) tracks (b) propellers (c) legs (d) wheels
28. 28.🛞 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) curves to the right (b) goes straight forward (c) curves to the left
29. 29.True or false: “a muddy building site” suits wheels. (a) True (b) False
30. 30.🛞 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) goes straight back (b) goes straight forward (c) stays still (d) spins right on the spot
31. 31.🛞 Which way of moving suits this best: “loose sand dunes”? (a) legs (b) wheels (c) tracks (d) propellers
32. 32.Which of these suits legs? (a) loose sand dunes (b) stepping over wide gaps (c) soft snow (d) a flat road
33. 33.True or false: “a flat road” suits wheels. (a) False (b) True
34. 34.True or false: “a long factory floor” suits wheels. (a) False (b) True
35. 35.True or false: “flying over a field” suits propellers. (a) False (b) True
36. 36.🛞 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 left (b) goes straight forward (c) curves to the right
37. 37.🛞 Which way of moving suits this best: “a muddy building site”? (a) legs (b) wheels (c) propellers (d) tracks
38. 38.🛞 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 right on the spot (b) goes straight back (c) spins left on the spot (d) turns left
39. 39.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 90 turns a minute and the right wheel at 50 turns a minute. What does the robot do? (a) curves to the left (b) goes straight forward (c) curves to the right
40. 40.🛞 Both wheels of a two-wheeled robot turn forward. The left wheel turns at 100 turns a minute and the right wheel at 50 turns a minute. What does the robot do? (a) curves to the right (b) goes straight forward (c) curves to the left

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