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