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