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