10. Which energy produced by moving electrons?
a Electrical energy
b. Heat energy
c. Sound energy d. Light energy
12.Which of the following refers to electricity at rest?
a Hydro electricity b. Current electricity c. Solar electricity d. Static electricity
18 What form of energy operates LRT and MRT?
a Sound energy
b. Electrical energy c.Heat energy
d. Light energy
19. Which is an example of current electricity?
a. Lighting a candle bMoving car c. Lightning d. Burning fuel
20. What energy transformation when an electric fan is switch on?
a. Electrical energy to light energy
c. Electrical energy to sound energy
b. Electrical energy to mechanical energy d. Electrical energy to heat energy
21. When Mary cooks fried chicken, she uses tongs to remove the chicken from the pan.
Which of the following simple machines do tongs belong?
a inclined plane b. lever
c. pulley
d. wheel and axle
22. Which simple machine should you use to slice the cake?
b. blade
c knife
d. scissors
23. The carpenter will put the hinges of the door.
Which type of simple machine will the carpenter use?
a lever
b. pulley c. inclined plane d. screw
24. Jamie uses a wheelbarrow to move the pile of garbage.
Which type of simple machine is a wheelbarrow?
a inclined plane b. lever c. pulley
d. wheel and axle
25. Which type of simple machine is an inclined plane with a spiral rib?
a lever
b, pulley C. Screw
d. wheel and axle
26. Mark wanted to go sailing. Which of the following simple machines will be used
in raising a sail of a boat?
a. Lever
b. pulley c. wedge
d. wheel and axle
27. The bottom part of a bulb is spiral. Which type of simple machine is it?
a inclined plane b. screw
c. wedge
d. wheel and axle
28. To control a car, one should use a wheel and axle.
Which of the following is the right tool to use?
a breaks
b. rolling pin
c. steering wheel
d. shift gear
29. Virgel wanted to load heavy boxes at the back of his truck.
Which simple machine should Virgel use?
b. inclined plane c. stairs
a. pulley
d. wheelbarrow
30. Which simple machine is a double inclined plane and has a sharp edge?
b. lever
d. wedge
a. pulley
C. Screw​