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