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