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