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