Class 4 Science Chapter 6 Test 1 Updated: 12 Jun 2022 490 Welcome to your Class 4 Science Chapter 6 Test 1 1. We ________ walk on earth with friction. Can Cannot Slip Fall down 2. The wear out of shoes is due to _______. Friction Speed motion None of these 3. The process in which a body changes its position is called_________. Rest Motion Force None of these 4. Everything that makes our work easier is called a __________. Friction Speed motion machine 5. Penetration of the nail into the wall is due to ________ Friction Speed motion None of these 6. Friction occurs when two bodies are ________ with each other. Far away In contact In fire None of these 7. Due to friction, some time the tyres of the car _______ Worn over time New over time Good over time None of these 8. Slowing down or stopping of vehicle is due to ________ Friction Speed motion None of these 9. The ________ moves up and down. See – saw Swing Fan None of these 10. The ________ moves back and forth. See – saw Swing Fan None of these 11. The act of pushing or pulling a body is called _______ Gravity Friction Lever Force 12. A ball thrown upward return to the ground after reaching a certain height is due to _______ Friction Speed Gravity None of these 13. Friction causes ________ of moving parts of machines over the time. Wear and tear Strong Lubricant None of these 14. When the earth pulls the bodies towards itself with a specific force is called ________ of earth Friction Speed Gravity None of these 15. Moving football stops after covering some distance is due to ________ Friction Speed motion None of these Time's up
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