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