Class 4 Science Chapter 6 Test 1 Welcome to your Class 4 Science Chapter 6 Test 1 1. A force acting on a body ______ its shape by compressing it. Can Cannot Lever None of these 2. The wear out of shoes is due to _______. Friction Speed motion None of these 3. We ________ walk on earth with friction. Can Cannot Slip Fall down 4. Igniting of the match stick is possible due to __________. Friction Speed motion None of these 5. Friction occurs when two bodies are ________ with each other. Far away In contact In fire None of these 6. Due to friction, some time the tyres of the car _______ Worn over time New over time Good over time None of these 7. Everything that makes our work easier is called a __________. Friction Speed motion machine 8. Friction causes ________ of moving parts of machines over the time. Wear and tear Strong Lubricant None of these 9. Penetration of the nail into the wall is due to ________ Friction Speed motion None of these 10. A force can be explained as: Push or pull of a body Move or stop the body Change the direction All of these 11. The ________ moves up and down. See – saw Swing Fan None 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. A ball thrown upward return to the ground after reaching a certain height is due to _______ Friction Speed Gravity None of these 15. The process in which a body changes its position is called_________. Rest Motion Force None of these Time is Up! Time's up
