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