Engineering Worksheet: Prototypes and Fair Tests

Engineering lesson 5: Prototypes and fair tests · Set 697 · 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 lots at once? (a) good testing (b) poor testing
2. 2.🧪 Why do engineers make prototypes? (a) to decorate a room (b) to test ideas cheaply (c) to sell them at once (d) to avoid testing
3. 3.🔢 To build and test a straw bridge, which comes first: “build it with straws” or “choose and draw one”? (a) build it with straws (b) choose and draw one
4. 4.True or false: to record every result is poor testing. (a) False (b) True
5. 5.🔢 To build and test a straw bridge, which is the LAST step? (a) sketch three ideas (b) read the challenge rules (c) strengthen the weak part (d) choose and draw one
6. 6.🧪 The first prototype held 300 g. After the team improved it, the new prototype held 370 g. How many more grams did it hold?
7. 7.True or false: to change only one thing is good testing. (a) True (b) False
8. 8.🧪 Is it good or poor testing to repeat each test? (a) poor testing (b) good testing
9. 9.🧪 Three prototype bridges were tested with the same method. Design A held 170 g, design B held 220 g and design C held 270 g. Which design was the strongest? (a) design A (b) design C (c) design B
10. 10.🧪 A paper bridge was tested three times. It held 280 g, 90 g and 170 g. What is the mean (average) load it held, in grams?
11. 11.🧪 The first prototype held 230 g. After the team improved it, the new prototype held 330 g. How many more grams did it hold?
12. 12.🧪 Is it good or poor testing to test it only once? (a) good testing (b) poor testing
13. 13.🧪 The first prototype held 250 g. After the team improved it, the new prototype held 370 g. How many more grams did it hold?
14. 14.🧪 Three prototype bridges were tested with the same method. Design A held 280 g, design B held 180 g and design C held 230 g. Which design was the strongest? (a) design B (b) design C (c) design A
15. 15.🧪 What is a prototype? (a) the final product (b) a sales poster (c) an early test model (d) a broken part
16. 16.🧪 Three prototype bridges were tested with the same method. Design A held 210 g, design B held 260 g and design C held 160 g. Which design was the weakest? (a) design B (b) design C (c) design A
17. 17.🧪 Is it good or poor testing to use a new load each time? (a) good testing (b) poor testing
18. 18.🧪 Why repeat a test three times? (a) it looks busy (b) the first is wrong (c) to get reliable results (d) to use more paper
19. 19.🔍 Which is the odd one out? (a) test it only once (b) repeat each test (c) change lots at once (d) hide a failed test
20. 20.🔍 Which is the odd one out? (a) change only one thing (b) repeat each test (c) record every result (d) hide a failed test
21. 21.🧪 Three prototype bridges were tested with the same method. Design A held 300 g, design B held 350 g and design C held 250 g. Which design was the strongest? (a) design C (b) design B (c) design A
22. 22.🔍 Which is the odd one out? (a) use the same load (b) guess, do not measure (c) use a new load each time (d) test it only once
23. 23.True or false: to hide a failed test is good testing. (a) True (b) False
24. 24.🔢 To build and test a straw bridge, which comes first: “strengthen the weak part” or “sketch three ideas”? (a) sketch three ideas (b) strengthen the weak part
25. 25.True or false: to change only one thing is poor testing. (a) True (b) False
26. 26.True or false: to change lots at once is good testing. (a) True (b) False
27. 27.🧪 Is it good or poor testing to guess, do not measure? (a) good testing (b) poor testing
28. 28.True or false: to use a new load each time is good testing. (a) False (b) True
29. 29.True or false: to skip writing results is good testing. (a) False (b) True
30. 30.🔢 To build and test a straw bridge, which comes first: “build it with straws” or “sketch three ideas”? (a) build it with straws (b) sketch three ideas
31. 31.🧪 Is it good or poor testing to measure the same way? (a) poor testing (b) good testing
32. 32.🧪 Is it good or poor testing to change only one thing? (a) good testing (b) poor testing
33. 33.🔢 To build and test a straw bridge, which is the FIRST step? (a) strengthen the weak part (b) choose and draw one (c) load it with coins (d) read the challenge rules
34. 34.🔢 To build and test a straw bridge, which comes first: “sketch three ideas” or “load it with coins”? (a) sketch three ideas (b) load it with coins
35. 35.True or false: to repeat each test is poor testing. (a) True (b) False
36. 36.🧪 The first prototype held 290 g. After the team improved it, the new prototype held 420 g. How many more grams did it hold?
37. 37.🔍 Which is the odd one out? (a) guess, do not measure (b) use the same load (c) repeat each test (d) measure the same way
38. 38.🧪 A paper bridge was tested three times. It held 220 g, 210 g and 200 g. What is the mean (average) load it held, in grams?
39. 39.🧪 A paper bridge was tested three times. It held 320 g, 180 g and 250 g. What is the mean (average) load it held, in grams?
40. 40.🧪 Three prototype bridges were tested with the same method. Design A held 180 g, design B held 230 g and design C held 130 g. Which design was the strongest? (a) design A (b) design C (c) design B

Free engineering lessons, practice and worksheets at talentjr.in/engineering-for-kids