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