Engineering Worksheet: Prototypes and Fair Tests

Engineering lesson 5: Prototypes and fair tests · Set 666 · 40 questions

Engineer's tip (Test fairly, record honestly): Prototype = an early model made to test an idea. Fair test: change one thing, keep the rest the same, measure and record every result. Mean of three tests = (first + second + third) ÷ 3.

1. 1.🧪 Is it good or poor testing to change only one thing? (a) poor testing (b) good testing
2. 2.🧪 Is it good or poor testing to use the same load? (a) poor testing (b) good testing
3. 3.🧪 The first prototype held 200 g. After the team improved it, the new prototype held 370 g. How many more grams did it hold?
4. 4.🔍 Which is the odd one out? (a) guess, do not measure (b) test it only once (c) measure the same way (d) skip writing results
5. 5.🧪 A paper bridge was tested three times. It held 390 g, 210 g and 270 g. What is the mean (average) load it held, in grams?
6. 6.🧪 What is a prototype? (a) a sales poster (b) the final product (c) a broken part (d) an early test model
7. 7.🧪 Three prototype bridges were tested with the same method. Design A held 320 g, design B held 270 g and design C held 370 g. Which design was the weakest? (a) design B (b) design A (c) design C
8. 8.🧪 The first prototype held 80 g. After the team improved it, the new prototype held 130 g. How many more grams did it hold?
9. 9.🧪 Is it good or poor testing to repeat each test? (a) poor testing (b) good testing
10. 10.🧪 In a fair test, how many things do you change at a time? (a) one (b) all of them (c) none (d) two
11. 11.True or false: to repeat each test is poor testing. (a) True (b) False
12. 12.True or false: to test it only once is good testing. (a) True (b) False
13. 13.🔍 Which is the odd one out? (a) use the same load (b) hide a failed test (c) skip writing results (d) guess, do not measure
14. 14.🔍 Which is the odd one out? (a) hide a failed test (b) record every result (c) use a new load each time (d) guess, do not measure
15. 15.True or false: to repeat each test is good testing. (a) False (b) True
16. 16.🧪 A paper bridge was tested three times. It held 250 g, 160 g and 340 g. What is the mean (average) load it held, in grams?
17. 17.🧪 Is it good or poor testing to change lots at once? (a) poor testing (b) good testing
18. 18.True or false: to change only one thing is poor testing. (a) False (b) True
19. 19.🧪 A paper bridge was tested three times. It held 180 g, 180 g and 180 g. What is the mean (average) load it held, in grams?
20. 20.🔍 Which is the odd one out? (a) change only one thing (b) repeat each test (c) test it only once (d) record every result
21. 21.🧪 The first prototype held 60 g. After the team improved it, the new prototype held 180 g. How many more grams did it hold?
22. 22.True or false: to skip writing results is poor testing. (a) False (b) True
23. 23.🧪 Three prototype bridges were tested with the same method. Design A held 400 g, design B held 350 g and design C held 300 g. Which design was the weakest? (a) design A (b) design C (c) design B
24. 24.🔍 Which is the odd one out? (a) use the same load (b) skip writing results (c) repeat each test (d) record every result
25. 25.True or false: to measure the same way is poor testing. (a) True (b) False
26. 26.🧪 The first prototype held 140 g. After the team improved it, the new prototype held 300 g. How many more grams did it hold?
27. 27.🔍 Which is the odd one out? (a) record every result (b) repeat each test (c) change lots at once (d) change only one thing
28. 28.🧪 Is it good or poor testing to test it only once? (a) good testing (b) poor testing
29. 29.🧪 Is it good or poor testing to skip writing results? (a) good testing (b) poor testing
30. 30.🧪 Three prototype bridges were tested with the same method. Design A held 110 g, design B held 210 g and design C held 160 g. Which design was the strongest? (a) design C (b) design A (c) design B
31. 31.True or false: to record every result is poor testing. (a) True (b) False
32. 32.🧪 A paper bridge was tested three times. It held 220 g, 180 g and 230 g. What is the mean (average) load it held, in grams?
33. 33.🔢 To build and test a straw bridge, which comes first: “read the challenge rules” or “build it with straws”? (a) build it with straws (b) read the challenge rules
34. 34.True or false: to use the same load is good testing. (a) False (b) True
35. 35.🔢 To build and test a straw bridge, which is the FIRST step? (a) build it with straws (b) strengthen the weak part (c) sketch three ideas (d) read the challenge rules
36. 36.🔢 To build and test a straw bridge, which comes first: “load it with coins” or “sketch three ideas”? (a) load it with coins (b) sketch three ideas
37. 37.🧪 Is it good or poor testing to hide a failed test? (a) poor testing (b) good testing
38. 38.🧪 Three prototype bridges were tested with the same method. Design A held 340 g, design B held 290 g and design C held 240 g. Which design was the weakest? (a) design A (b) design B (c) design C
39. 39.🔢 To build and test a straw bridge, which is the LAST step? (a) load it with coins (b) build it with straws (c) strengthen the weak part (d) read the challenge rules
40. 40.🧪 Three prototype bridges were tested with the same method. Design A held 260 g, design B held 360 g and design C held 310 g. Which design was the strongest? (a) design B (b) design C (c) design A

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