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