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