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