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