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