Class 4 Science Chapter 6 Test 2 Updated: 12 Jun 2022 58 Welcome to your Class 4 Science Chapter 6 Test 2 1. All bodies are attracted towards the Earth due to: Force Friction Gravity Motion 2. When a body changes its position, it is called: Friction Force Motion Gravity 3. Ramp is also called Gear lever Pulley Inclined plane 4. A ________ is a simple machine that can be used to push or lift heavy objects. Gear lever Pulley Inclined plane 5. Everything that makes our work easier is called a __________. Friction Speed motion machine 6. Pulling a weight is ________ than lifting it by pulley. Easier Difficult Heavy None of these 7. Water can be easily drawn from a well by using _______. Gear lever Pulley Inclined plane 8. _______ is a simple machine with one end relatively higher than the other. Gear lever Pulley Inclined plane 9. What is force? Push Pull Lift Push and pull 10. If we apply the same force on toy car, it will be travel longer on: Rocky soil Marble floor Floor of bricks Ground 11. ________ is a simple machine which consists of toothed wheels of different sizes. Gear lever Pulley Inclined plane 12. ________ allows us to move objects easily from bottom to top and top to bottom. Gear lever Pulley Inclined plane 13. To lift objects with the help of pulley, put the effort ________. Upward Downward Left side Right side 14. The load is lifted up by applying force (effort) on one end of the rope passing over the _________. Gear lever Pulley Inclined plane 15. Changing the direction of force makes it easier to work with the _______. Gear lever Pulley Inclined plane 16. Which machine consists of grooved wheel? Lever Pulley Inclined plane Gear 17. A ________ is a simple machine that consists of grooved wheel and a rope. Gear lever Pulley Inclined plane 18. With the help of _______, we can increase and decrease the speed. Gear lever Pulley Inclined plane 19. Lever, pulley, gear and ramp (inclined plane) are ________ machine. Simple Complex New Old 20. The flag is raised up with the help of _______. Gear lever Pulley Inclined plane Time is Up! Time's up
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