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