1) Name the simple machine a) A lever b) An Inclined plane c) A pulley d) A wheel and axle 2) Name the simple machine a) A pulley b) A wheel and axle c) A gear d) A lever 3) Name the simple machine a) An inclined plane b) A lever c) A gear d) A pulley 4) Name the simple machine a) An inclined plane b) A pulley c) A gear d) A lever 5) Name the simple machine a) Wheel and axle b) Pulley c) Gears d) Levers 6) How many types of simple machines can you find in this object? a) 1 b) 2 c) 3 d) 4 7) Which simple machine helps to change the direction of the moving bicycle? a) A lever b) A pulley c) Gears d) Wheel and axle 8) Which simple machine helps to make the wheels move faster? a) A lever b) A pulley c) Gears d) Wheel and axle 9) Which simple machine helps to move the wheels? a) A lever b) A pulley c) Gears d) Wheel and axle 10) What type of simple machines are the hand brakes of a bicycle? a) Levers b) Inclined planes c) Gears d) Wheel and axle 11) What type of simple machines are gears and chains of the bicycle? a) Levers b) Pulley c) Gears d) Wheel and axle 12) Which position on the lever should you push to lift the rock easily with less effort? a) X b) W c) Y d) Z 13) Name the part of the lever that does not move and is a fixed point. a) Effort b) Load c) Fulcrum d) Lever 14) Fulcrum on a lever can also be called ________________. a) Load b) Effort c) Pivot d) Pulley 15) What could be done to lift heavy objects easily with less effort using pulley system? a) Use one pulley b) Use more pulleys c) Use a longer rope or chain d) Use a shorter rope or chain 16) Which hand on a mechanical watch is attached to the smallest gear? a) The second hand b) The minute hand c) The hour hand 17) Which hand on a mechanical watch is attached to the largest gear? a) The second hand b) The minute hand c) The hour hand 18) Which of the objects below is an example of an inclined plane? a) Scissors b) Elevators c) Clocks d) Escalator 19) Which statement is true about gears? a) When gear B moves clockwise, gear A moves the opposite direction(anti-clockwise). b) When gear B moves clockwise, gear A moves the same direction(clockwise). 20) Which statement is true about inclined planes? a) A steeper inclined plane will help move up an object with less force. b) A shallower inclined plane will help move up an object with less effort.

SIMPLE MACHINES

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