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