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