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