Class 4 Science Chapter 6 Test 1 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. Moving football stops after covering some distance is due to ________ Friction Speed motion None of these 4. _____ is the force that stops or tends to stop moving objects. Friction Speed Gravity None of these 5. A ball thrown upward return to the ground after reaching a certain height is due to _______ Friction Speed Gravity None of these 6. The ________ moves back and forth. See – saw Swing Fan None of these 7. The ________ moves up and down. See – saw Swing Fan None of these 8. The process in which a body changes its position is called_________. Rest Motion Force None of these 9. A force can be explained as: Push or pull of a body Move or stop the body Change the direction All of these 10. Slowing down or stopping of vehicle is due to ________ Friction Speed motion None of these 11. When the earth pulls the bodies towards itself with a specific force is called ________ of earth Friction Speed Gravity None of these 12. _________ always acts against the direction of movement. Friction Speed motion None of these 13. The act of pushing or pulling a body is called _______ Gravity Friction Lever Force 14. Penetration of the nail into the wall is due to ________ Friction Speed motion None of these 15. Friction occurs when two bodies are ________ with each other. Far away In contact In fire None of these Time is Up! Time's up
