Class 4 Science Chapter 6 Test 1 Updated: 12 Jun 2022 252 Welcome to your Class 4 Science Chapter 6 Test 1 1. Due to friction, some time the tyres of the car _______ Worn over time New over time Good over time None of these 2. Friction causes ________ of moving parts of machines over the time. Wear and tear Strong Lubricant None of these 3. We ________ walk on earth with friction. Can Cannot Slip Fall down 4. Everything that makes our work easier is called a __________. Friction Speed motion machine 5. The wear out of shoes is due to _______. Friction Speed motion None of these 6. Igniting of the match stick is possible due to __________. Friction Speed motion None of these 7. When the earth pulls the bodies towards itself with a specific force is called ________ of earth Friction Speed Gravity None of these 8. Friction occurs when two bodies are ________ with each other. Far away In contact In fire None of these 9. A force acting on a body ______ its shape by compressing it. Can Cannot Lever None of these 10. The process in which a body changes its position is called_________. Rest Motion Force None of these 11. A force can be explained as: Push or pull of a body Move or stop the body Change the direction All of these 12. _____ is the force that stops or tends to stop moving objects. Friction Speed Gravity None of these 13. _________ always acts against the direction of movement. Friction Speed motion None of these 14. Slowing down or stopping of vehicle is due to ________ Friction Speed motion None of these 15. Penetration of the nail into the wall is due to ________ Friction Speed motion None of these Time's up
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