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