Appendix 5 By showing a picture of bottle opener, teacher will ask: Question 1: What type of simple machine is this? (For slow learner). Expected answer: Lever Question 2: Tell me another example of this type of simple machine. (For average learner) Expected answer: Hammer, scissors and spoon. Question 3: Where do you usually find pulley? (For fast learner) Expected answer: Flag pole, curtain, in construction and shoe lace. Question 4: What type of simple machines that you can find in bicycle? (For fast learner) Expected answer: Wheel and axle, gear. Question 5: Screw belongs to what type of simple machine? (For slow learner) Expected answer: Inclined plane. Question 6: Tell me another example of this type of simple machine. (For average learner) Expected answer: Stairs, an axe and door wedge.