Light Energy

Front

What is light energy?

Back

Light energy is a form of energy that travels in waves and can be seen by the human eye. It is responsible for the illumination of our surroundings.

Front

What does it mean to refract light?

Back

Refraction is the bending of light as it passes from one medium to another, such as from air into water.

Front

How does light travel?

Back

Light travels in a straight line unless it encounters an object or medium that causes it to change direction.

Front

What happens when light strikes a smooth, shiny surface?

Back

Most of the light is reflected, making the surface appear bright.

Front

What is reflection of light?

Back

Reflection is the bouncing back of light when it hits a surface. It allows us to see images in mirrors.

Front

What is absorption of light?

Back

Absorption occurs when light is taken in by a material, converting it into heat energy.

Front

What is transmission of light?

Back

Transmission is the passing of light through a material without being absorbed or reflected.

Front

What is a lens?

Back

A lens is a transparent object that refracts light to focus or disperse it, commonly used in glasses, cameras, and microscopes.

Front

What is the role of a shiny aluminum screen on a car windshield?

Back

It reflects sunlight, helping to keep the car cool by preventing heat from entering.

Front

What is the difference between a rough surface and a smooth surface in terms of light?

Back

A smooth surface reflects more light, while a rough surface scatters light, making it appear dull.