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