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