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