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