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