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Olympiad Test Level 1: Science and Technology - 1


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10 Questions MCQ Test GK Olympiad for Class 4 | Olympiad Test Level 1: Science and Technology - 1

Olympiad Test Level 1: Science and Technology - 1 for Class 4 2022 is part of GK Olympiad for Class 4 preparation. The Olympiad Test Level 1: Science and Technology - 1 questions and answers have been prepared according to the Class 4 exam syllabus.The Olympiad Test Level 1: Science and Technology - 1 MCQs are made for Class 4 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test Level 1: Science and Technology - 1 below.
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Olympiad Test Level 1: Science and Technology - 1 - Question 1

Which of the following is NOT considered as a scanning device?

Olympiad Test Level 1: Science and Technology - 1 - Question 2

Who invented Jet Engine?

Detailed Solution for Olympiad Test Level 1: Science and Technology - 1 - Question 2

Sir Frank Whittle invented Jet Engine. He registered the patent for the turbo jet engine the 1930.

Olympiad Test Level 1: Science and Technology - 1 - Question 3

Who invented Ballpoint pen?

Detailed Solution for Olympiad Test Level 1: Science and Technology - 1 - Question 3

László Bíró patented the first commercially successful modern ball point pen. John Loud patented the designing of the ballpoint pen.

Olympiad Test Level 1: Science and Technology - 1 - Question 4

Who invented Pedal driven Bicycle?

Detailed Solution for Olympiad Test Level 1: Science and Technology - 1 - Question 4

Pedal driven Bicycle was invented by Kirkpatrick Macmillan in 1839.

Olympiad Test Level 1: Science and Technology - 1 - Question 5

Which of these devices was invented by Sir Isaac Newton?

Detailed Solution for Olympiad Test Level 1: Science and Technology - 1 - Question 5

Reflecting telescope was invented by Sir Isaac Newton in late 1668. He used an alloy of tin and copper as objective mirror.

Olympiad Test Level 1: Science and Technology - 1 - Question 6

Who invented Electric generator?

Detailed Solution for Olympiad Test Level 1: Science and Technology - 1 - Question 6

Charles F. Brush invented electric generator. An electric generator is a device which is used to convert mechanical energy into electrical energy.

Olympiad Test Level 1: Science and Technology - 1 - Question 7

What happens when water is heated?

Detailed Solution for Olympiad Test Level 1: Science and Technology - 1 - Question 7

When water is heated it turns into water vapour i.e. it evaporates. Water boils at 1000 C. 

Olympiad Test Level 1: Science and Technology - 1 - Question 8

Metals can be hammered into different shapes, hence they are .

Detailed Solution for Olympiad Test Level 1: Science and Technology - 1 - Question 8

Metals are malleable that means that they can be hammered into different shapes. Gold is the most malleable metal.

Olympiad Test Level 1: Science and Technology - 1 - Question 9

Properties of gas are _________.

Detailed Solution for Olympiad Test Level 1: Science and Technology - 1 - Question 9

Gases are easily compressible, they have no definite shape and volume. They take up the shape of the container. Gas particles move randomly in space.

Olympiad Test Level 1: Science and Technology - 1 - Question 10

Stars are made up of ____________.

Detailed Solution for Olympiad Test Level 1: Science and Technology - 1 - Question 10

Stars are celestial bodies which are made up plasma which consist of hydrogen and helium.

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