Engineering Worksheet: Final Test

Engineering lesson 24: Final engineering test · Set 961 · 40 questions

Engineer's tip (Find the topic, use the idea): Find the topic: design process, force, machine, lever, structure, material, bridge or scale. Use that lesson’s rule — what is in the middle, load × distance = effort × distance, work = force × distance, real = drawing × scale. Write the calculation before you answer.

1. 1.🔺 A frame shaped like a hexagon is made of straws joined by loose pins, with 1 corner-to-corner brace. Is it rigid or wobbly? (a) wobbly (b) rigid
2. 2.Which of these needs a heat insulator? (a) a cooking pot handle (b) a raincoat (c) a roof sheet (d) a skipping rope
3. 3.⚖️ A lever bar balances. The load is 30 N at 40 cm from the fulcrum. The effort is ? N at 30 cm from the fulcrum on the other side. What is the missing force in newtons?
4. 4.Which of these is reuse (use again)? (a) fix a dripping tap (b) plant in old tyres (c) print on both sides (d) turn plastic into tiles
5. 5.Which of these happens in the Imagine step? (a) draw a labelled diagram (b) pick the build order (c) dream up possible fixes (d) make it better, retest
6. 6.🦺 Who should use hot glue guns and power tools in a kids’ project? (a) the youngest child (b) any child alone (c) a stranger (d) an adult
7. 7.♻️ A school bench is made from 450 recycled plastic bottles. How many benches can be made from 4050 bottles?
8. 8.True or false: a box pushed on carpet gives more friction. (a) False (b) True
9. 9.⚖️ A seesaw balances. Zoya (600 N) sits 1 m from the pivot on one side; Asha (? N) sits 3 m from the pivot on the other side. What is the missing weight in newtons?
10. 10.🛞 More or less friction: a box pushed on carpet? (a) more friction (b) less friction
11. 11.🤝 Is it good or poor teamwork to share the work fairly? (a) good teamwork (b) poor teamwork
12. 12.⚙️ Which simple machine is a bottle cap? (a) pulley (b) lever (c) screw (d) wedge
13. 13.📐 Why do engineers use scale drawings? (a) to save ink only (b) big things fit on paper (c) to make them pretty (d) to hide sizes
14. 14.⚖️ A lever balances when … (a) the fulcrum moves (b) the bar is short (c) both weights are equal (d) turning effects match
15. 15.True or false: “a flat deck on piers” is a beam bridge. (a) True (b) False
16. 16.🤝 Why do engineers work in teams? (a) to work alone (b) to argue more (c) to finish nothing (d) many skills and ideas
17. 17.True or false: a shelf on two brackets uses a dome. (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) repeat each test (b) use the same load (c) measure the same way (d) use a new load each time
19. 19.True or false: to own up to a mistake is poor teamwork. (a) False (b) True
20. 20.Which of these is an arch bridge? (a) stones squeezed together (b) a rope bridge in hills (c) tall towers hold cables (d) good for short gaps
21. 21.⚙️ Which simple machine is a crowbar? (a) inclined plane (b) screw (c) wedge (d) lever
22. 22.🤝 How do engineers share a design with others? (a) no drawings at all (b) clear labelled sketches (c) only talking fast (d) secret notes
23. 23.🔍 Which is the odd one out? (a) lift a cup of water (b) stand in a fan breeze (c) finish in 40 minutes (d) carry 10 coins
24. 24.🔢 To follow the engineering design process, what comes right after “Create”? (a) Test (b) Ask (c) Plan (d) Imagine
25. 25.💪 A box weighs 510 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
26. 26.🛞 How can we reduce friction in a machine? (a) make parts rough (b) add sand (c) press parts harder (d) oil the moving parts
27. 27.True or false: a mountain is found in nature. (a) True (b) False
28. 28.🪢 Tension or compression: a swing chain? (a) compression (b) tension
29. 29.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 1 (c) class 2
30. 30.🔧 Which tool would you use to check a shelf is level? (a) a spirit level (b) sandpaper (c) a hammer (d) a spanner
31. 31.True or false: a biomedical engineer builds hospital scanners. (a) False (b) True
32. 32.🏚️ Does keeping a simple shape make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
33. 33.True or false: adding cross bracing makes a building less safe in earthquakes. (a) False (b) True
34. 34.🪝 A well winch has a handle (wheel) of radius 16 cm turning an axle of radius 2 cm. What is its mechanical advantage (MA)?
35. 35.🪝 A bucket weighing 70 N is lifted with a single fixed pulley at the top of a well. What effort is needed, in newtons? (ideal pulley, no friction)
36. 36.Which of these is caused by friction? (a) lifting a school bag (b) a magnet picks up pins (c) a fridge magnet sticks (d) a rolling ball slows
37. 37.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
38. 38.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
39. 39.🧱 Which material is best for the core of an electric wire? (a) glass (b) copper (c) rubber (d) wood
40. 40.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 2 (c) class 3

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