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