Light

Light

SEKOLAH RENDAH DELIMA SATU

BY: TEACHER KHAIRUNNISA

Uses of light

• Enables us to see.

• Plants use light to make food in the process called photosynthesis.

Properties of light

Light travels in a straight line.

Properties of light

When light falls on any object that is not a light source, it bounces off the object. Light is reflected into our eyes.

Shadows

Formed when objects completely or partially block the path of light by an opaque object.

Length of shadows

An object can formed shadows of different length depending on the position of the light source.

Transparent Materials

They allow light to pass through them completely. They will not form a shadow.

Translucent materials

They allow some light to pass through them. They will form a light shadow.

Opaque materials

They do not allow light to pass through them at all. They will form a dark shadow.