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