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