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