Class 4 Science Chapter 6 Test 2 Updated: 12 Jun 2022 239 Welcome to your Class 4 Science Chapter 6 Test 2 1. Which machine consists of grooved wheel? Lever Pulley Inclined plane Gear 2. Pulling a weight is ________ than lifting it by pulley. Easier Difficult Heavy None of these 3. When a body changes its position, it is called: Friction Force Motion Gravity 4. What is force? Push Pull Lift Push and pull 5. The load is lifted up by applying force (effort) on one end of the rope passing over the _________. Gear lever Pulley Inclined plane 6. All bodies are attracted towards the Earth due to: Force Friction Gravity Motion 7. ________ allows us to move objects easily from bottom to top and top to bottom. Gear lever Pulley Inclined plane 8. Changing the direction of force makes it easier to work with the _______. Gear lever Pulley Inclined plane 9. Water can be easily drawn from a well by using _______. Gear lever Pulley Inclined plane 10. A ________ is a simple machine that consists of grooved wheel and a rope. Gear lever Pulley Inclined plane 11. The flag is raised up with the help of _______. Gear lever Pulley Inclined plane 12. The examples of gear are Bicycles Grinders Sugarcane juice machine All of these 13. If we apply the same force on toy car, it will be travel longer on: Rocky soil Marble floor Floor of bricks Ground 14. The teeth of ______ wheels fit in with each other and move together. Gear lever Pulley Inclined plane 15. A ________ is a simple machine that can be used to push or lift heavy objects. Gear lever Pulley Inclined plane 16. Everything that makes our work easier is called a __________. Friction Speed motion machine 17. To lift objects with the help of pulley, put the effort ________. Upward Downward Left side Right side 18. The lever that turns around a certain point called ________ Center Fulcrum Circle None of these 19. ________ is a simple machine which consists of toothed wheels of different sizes. Gear lever Pulley Inclined plane 20. Lever, pulley, gear and ramp (inclined plane) are ________ machine. Simple Complex New Old Time's up
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