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