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