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