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