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