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