Light is an energy that creates the sensation of vision.
We are able to see things around us only when light falls on them.
In a dark room we cannot see anything but when we switch on the light we can.
Objects which emit their own light are called luminous objects.
Objects which do not emit their own light are called non-luminous objects.
Types of Objects.
Such objects which allow all the light to pass through them are called transparent objects.
Such objects which allow some light to pass through them are called translucent objects.
Such objects which block light completely are called opaque objects.
More from Grade 5 Science
Understand the concepts of water on earth, its sources and groundwater.
How do plants make their food? Get inside the plant to understand the process of photosynthesis.
Visit the depths of the Earth to see the birth of a rock! Learn about the different types of rocks, igneous, sedimentary and metamorphic, and how they're formed.