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