| Hint | Answer | % Correct |
|---|---|---|
| Underwater vessel | Submarine | 93%
|
| Bathroom substance for washing | Soap | 86%
|
| Device to turn something on or off | Switch | 79%
|
| Floating transportation | Ship | 75%
|
| Office tool to attach papers to each other | Stapler | 75%
|
| Iron hardened by carbon | Steel | 71%
|
| Turns sunlight into electricity | Solar cell | 68%
|
| Earth's first artificial satellite | Sputnik | 64%
|
| Handheld computer with telephone function | Smartphone | 57%
|
| Pivotal machine in the industrial revolution | Steam engine | 54%
|
| Ancient means to propel the above | Sail | 50%
|
| Killing all the germs | Sterilization | 39%
|
| Polystyrene for insulation and wrapping | Styrofoam | 32%
|
| Device to analyze light by wavelength | Spectrometer | 25%
|
| Navigational instrument | Sextant | 18%
|
| Mechanical extension of the same | Selfie stick | 7%
|
| Audio signal generator | Synthesizer | 7%
|