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