1) What is the principle of simple machines involved in the picture? a) wedge b) lever c) wheel and axle d) pulley 2) What is the principle of simple machines involved in the pencil sharpener? a) Gear, screw b) Wheel and axle, wedge c) lever, pulley d) wedge, gear 3) Which method can help Rozita to open the lid easier? a) Use a thinner spoon b) Exert a stronger pushing force c) Reduce the distance between Rozita's hand and the circular part of the spoon d) Increase the distance between Rozita's hand and the circular part of the spoon 4) A worker of a book publisher company needs to load several heavy boxes into a lorry. Which simple machine can be used to overcome his problem? a) Wedge b) Lever c) Pulley d) Inclined Plane 5) Which pair is correct? a) Inclined plane: enables us to move and moves the objects from one level to a higher level b) Screw: Helps to lift up and moves objects easily c) Gear: Separates, cuts, holds, and stops objects d) Pulley: Moves and rotates objects 6) ''Lever, Screw, Gear, Wheel and axle'' Which of the following has all of the simple machines? a) Crane b) Bicycle c) Lawnmower d) Screwdriver

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