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