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