Physic Principle and Problem

e Book Physic Principle and Problem download over here

Materi Bunyi G8

Apa yang menyebabkan seruling itu dapat
berbunyi ketika ditiup? Untuk menjawab pertanyaan tersebut simaklah materi berikut dengan saksama!
Kata kunci: bunyi – ultrasonik – infrasonik – audiosonik – resonansi – nada – gaung – gema

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Expansion G7

In this chapter, we will learn the topics as follows :

A. The definition of expansion.

B. The expansion of solids

C. The expansion of liquids

D. The expansion of gases

E. The expansion principle in everyday life


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Sounds G8

Sound is a travelling wave which is an oscillation of pressure transmitted through a solid, liquid, or gas, composed of frequencies within the range of hearing and of a level sufficiently strong to be heard, or the sensation stimulated in organs of hearing by such vibrations.

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Waves material G8

Vibration is an oscilating movement through a point of equilibrium.


You’ve probably seen a clock pendulum swing back and forth. You would have noticed that every swing followed the same path, and each trip back and forth took the same amount of time. This action is an example of vibrational motion. Other examples include a metal block bobbing up and down on a spring and a vibrating guitar string. These motions,

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Temperature and Its Measurement G7

CHAPTER 2 TEMPERATURE AND ITS MEASUREMENT.

A. THE DEFINITION OF TEMPERATURE.
Temperature is the relative measurement (degree) of hotness or coldness of an object or a system. To measure the temperature you cannot use touch-sensory organ, because the result is relative, it means something depend on reference that used, and qualitative.
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