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