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