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6th Grade Science Reviewer Part 13 FORCE AND MOTION

 

6th Grade Science Reviewer         Part 13        Force and Motion

Direction: Choose the letter with the best answer. Write your answer on your answer sheet.

1. What energy is used in different industries and at home that makes appliances work?

A.     nuclear

B.      electrical *

C.      mechanical

D.     chemical

2. What energy changes are shown when you turn on the flashlight?

A.     light to chemical

B.      electrical to heat

C.      sound to light

D.     chemical to light *

3. Which statement is correct about energy?

A.     Energy can be created and destroyed.

B.      Energy is loss during energy transformation.

C.      Energy is gained during energy conversion.

D.     Energy can neither be created nor destroyed. *

4. What energy is formed and released into the environment during transformation of energy?

A.     heat *

B.      chemical

C.      sound

D.     light

5. The transfer of energy from one form to another is called ___________________.

A.     energy transformation *

B.      Law of Conservation of Energy

C.      thermal transfer

D.     Law of Transfer

6. These are simple tools that multiply the force to make work faster and easier.

A.     electric machines

B.      simple gadgets

C.      simple machines *

D.     compound machines

7. Tools that consists of two or more simple machines are called ___________.

A.     simple machines

B.      latest machines

C.      compound machines *

D.     electronic machines

8. It is a simple machine that has sloping surface that lessens the effort exerted in transporting

    weight over a distance and height.

A.     pulley

B.      screw

C.      inclined plane *

D.     wheel and axle

9. A simple machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum is called  _______.

A.     pulley

B.      wedge

C.      lever *

D.     screw

10. The _________ is a double inclined plane that is sharpened to an end.

A.     wedge *

B.      pulley

C.      screw

D.     lever

 

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