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