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