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Class 4 Exam  >  Class 4 Tests  >  HOTs for Science Olympiad -4 - Class 4 MCQ

HOTs for Science Olympiad -4 - Class 4 MCQ


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10 Questions MCQ Test - HOTs for Science Olympiad -4

HOTs for Science Olympiad -4 for Class 4 2024 is part of Class 4 preparation. The HOTs for Science Olympiad -4 questions and answers have been prepared according to the Class 4 exam syllabus.The HOTs for Science Olympiad -4 MCQs are made for Class 4 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for HOTs for Science Olympiad -4 below.
Solutions of HOTs for Science Olympiad -4 questions in English are available as part of our course for Class 4 & HOTs for Science Olympiad -4 solutions in Hindi for Class 4 course. Download more important topics, notes, lectures and mock test series for Class 4 Exam by signing up for free. Attempt HOTs for Science Olympiad -4 | 10 questions in 20 minutes | Mock test for Class 4 preparation | Free important questions MCQ to study for Class 4 Exam | Download free PDF with solutions
HOTs for Science Olympiad -4 - Question 1
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A football is kicked by a boy. It rolls on the ground to some distance and stops. The force which stops the ball is _______.

Detailed Solution for HOTs for Science Olympiad -4 - Question 1

Frictional force is responsible for stopping the ball's motion by opposing its movement on the ground.

HOTs for Science Olympiad -4 - Question 2
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What is the effect of force applied in the following cases? A rubber band is stretched

Detailed Solution for HOTs for Science Olympiad -4 - Question 2

The shape of rubber band changes when stretched. 

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HOTs for Science Olympiad -4 - Question 3
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Rohan tried to push this huge stone but could not even move it. So Rohan _____. 

Detailed Solution for HOTs for Science Olympiad -4 - Question 3

- According to physics, work is defined as the product of force and displacement in the direction of the force.
- If there is no displacement, no work is done regardless of the amount of force applied.
- Rohan tried to push the stone but couldn't move it, meaning there was no displacement.
- Thus, Rohan has not done any work in the scientific sense.
- Therefore, the correct answer is option A: Rohan "has not done work at all."

HOTs for Science Olympiad -4 - Question 4
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Which statement is not true?
Detailed Solution for HOTs for Science Olympiad -4 - Question 4

Friction decreases the roughness of an object

HOTs for Science Olympiad -4 - Question 5
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Observe the pictures and choose the best answer. What is he applying on the box? 
Detailed Solution for HOTs for Science Olympiad -4 - Question 5

He is pushing that box to move and pushing is a type of force. So he is applying force on the box.

HOTs for Science Olympiad -4 - Question 6
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Read the statements carefully and choose the correct option.
Statement A: We get energy from food we eat.
Statement B: We need energy to do work.
HOTs for Science Olympiad -4 - Question 7
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Which energy is associated with the following figure?    
Detailed Solution for HOTs for Science Olympiad -4 - Question 7

It is a plant. Plants use solar energy to prepare their food. 

HOTs for Science Olympiad -4 - Question 8
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Which energy is associated with the following? An electric lamp gives us light.
Detailed Solution for HOTs for Science Olympiad -4 - Question 8

An electric lamp uses electrical energy to give light energy.

HOTs for Science Olympiad -4 - Question 9
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Hydro energy : Water : : Solar energy : ?
HOTs for Science Olympiad -4 - Question 10
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Tell whether these statements are true or false?

  1. Sun is an artificial source of energy.
  2. Electric lamp works on food.
  3. Computers work on electricity.
  4. We can get wind energy any time.
Detailed Solution for HOTs for Science Olympiad -4 - Question 10

Sun is a natural source of energy. Electric lamp works on electricity

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