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