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