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