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