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