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LIGHT & SOUND

SYLLABUS OBJECTIVES

LIGHT

1.   State that light is a form of energy.
2.   Define the term reflection
3.   Demonstrate that a beam of light changes direction when it strikes the surface of a mirror.
4.   Distinguish between reflection and refraction.
5.   Demonstrate a simple experiment to show refraction.
6.   Use a prism to show that white light is made up of several colours.
7.   Explain how shadows are formed.
8.   Draw diagrams to illustrate refraction of light rays in convex and concave lenses.
9.   Identify the focal point of an image.

SOUND

1.   Describe how sound travels.
2.   Distinguish between frequency and pitch of sound.
3.   Describe what affects the pitch of sound.
4.   Describe how the speed of sound is dependent on the medium through which it travels.
5.   Explain why sound cannot travel through a vacuum.
6.   State the approximate audio frequency spectrum for humans and other animals.
7.   Describe how the different types of musical instruments make their sounds.
8.   Design a musical instrument.

TOPICS

1. Light (Introduction)

2.  Sound