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