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