Class 4 GK Worksheet: Inventions and Inventors
Remember (Who and what for?): Telephone – Alexander Graham Bell, first aeroplane – the Wright brothers, printing press – Johannes Gutenberg, raised-dot writing – Louis Braille. Smallpox vaccine – Edward Jenner, penicillin – Alexander Fleming, stethoscope – René Laennec, electric battery – Alessandro Volta, X-rays – Wilhelm Röntgen. Uses: telephone – talk far away, thermometer – body temperature, compass – directions, telescope – faraway stars, microscope – tiny germs.
NameDateTime takenScore ___ / 40
- 1.True or false: a calculator helps us measure body temperature. (a) False (b) True
- 2.🔧 Which invention helps us print many books? (a) clock (b) printing press (c) telephone (d) thermometer
- 3.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) René Laennec (c) Johannes Gutenberg (d) Louis Braille
- 4.💡 Who gave us X-rays? (a) Alessandro Volta (b) Wilhelm Röntgen (c) Edward Jenner (d) Alexander Fleming
- 5.What did Edward Jenner give us? (a) the first aeroplane (b) the electric battery (c) the smallpox vaccine (d) the printing press
- 6.What does a compass help us do? (a) hear the heartbeat (b) print many books (c) talk to people far away (d) find directions
- 7.💡 Who gave us the telephone? (a) Johannes Gutenberg (b) Wilhelm Röntgen (c) René Laennec (d) Alexander Graham Bell
- 8.What does a stethoscope help us do? (a) see faraway stars (b) print many books (c) hear the heartbeat (d) find directions
- 9.What did the Wright brothers give us? (a) the telephone (b) penicillin (c) the stethoscope (d) the first aeroplane
- 10.True or false: a thermometer helps us do sums quickly. (a) False (b) True
- 11.True or false: Louis Braille gave us X-rays. (a) False (b) True
- 12.🔧 Which invention helps us hear the heartbeat? (a) clock (b) telescope (c) stethoscope (d) telephone
- 13.What did Alexander Fleming give us? (a) penicillin (b) the stethoscope (c) X-rays (d) the smallpox vaccine
- 14.What did Johannes Gutenberg give us? (a) the stethoscope (b) the electric battery (c) the printing press (d) the telephone
- 15.True or false: a printing press helps us see tiny germs. (a) False (b) True
- 16.🔧 Which invention helps us find directions? (a) thermometer (b) telephone (c) compass (d) printing press
- 17.What does a telephone help us do? (a) tell the time (b) do sums quickly (c) find directions (d) talk to people far away
- 18.What did René Laennec give us? (a) the printing press (b) the telephone (c) the stethoscope (d) X-rays
- 19.💡 Who gave us penicillin? (a) Louis Braille (b) the Wright brothers (c) Johannes Gutenberg (d) Alexander Fleming
- 20.🔧 Which invention helps us see tiny germs? (a) clock (b) microscope (c) compass (d) calculator
- 21.True or false: a clock helps us hear the heartbeat. (a) True (b) False
- 22.True or false: a telescope helps us see faraway stars. (a) False (b) True
- 23.💡 Who gave us the stethoscope? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) the Wright brothers (d) René Laennec
- 24.💡 Who gave us the electric battery? (a) René Laennec (b) Alexander Graham Bell (c) Wilhelm Röntgen (d) Alessandro Volta
- 25.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
- 26.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
- 27.🔧 Which invention helps us see faraway stars? (a) stethoscope (b) telescope (c) telephone (d) compass
- 28.💡 Who gave us raised-dot writing? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) Louis Braille (d) the Wright brothers
- 29.What does a microscope help us do? (a) find directions (b) see faraway stars (c) talk to people far away (d) see tiny germs
- 30.True or false: the Wright brothers gave us the electric battery. (a) False (b) True
- 31.True or false: Edward Jenner gave us raised-dot writing. (a) True (b) False
- 32.True or false: Alexander Fleming gave us the stethoscope. (a) True (b) False
- 33.True or false: a telephone helps us talk to people far away. (a) True (b) False
- 34.What did Louis Braille give us? (a) penicillin (b) the electric battery (c) raised-dot writing (d) the printing press
- 35.🔧 Which invention helps us do sums quickly? (a) clock (b) stethoscope (c) thermometer (d) calculator
- 36.True or false: a printing press helps us print many books. (a) False (b) True
- 37.True or false: Edward Jenner gave us X-rays. (a) False (b) True
- 38.True or false: a microscope helps us see tiny germs. (a) False (b) True
- 39.True or false: a thermometer helps us measure body temperature. (a) False (b) True
- 40.🔧 Which invention helps us measure body temperature? (a) telephone (b) calculator (c) printing press (d) thermometer
Answer key
- False
- printing press
- the Wright brothers
- Wilhelm Röntgen
- the smallpox vaccine
- find directions
- Alexander Graham Bell
- hear the heartbeat
- the first aeroplane
- False
- False
- stethoscope
- penicillin
- the printing press
- False
- compass
- talk to people far away
- the stethoscope
- Alexander Fleming
- microscope
- False
- True
- René Laennec
- Alessandro Volta
- True
- True
- telescope
- Louis Braille
- see tiny germs
- False
- False
- False
- True
- raised-dot writing
- calculator
- True
- False
- True
- True
- thermometer
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