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