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 brightness we see around us.

Front

What does translucent mean?

Back

Translucent materials allow some light to pass through but scatter it, making objects behind them appear blurry.

Front

What does transparent mean?

Back

Transparent materials allow light to pass through without scattering, making objects behind them clearly visible.

Front

What does opaque mean?

Back

Opaque materials do not allow any light to pass through, making them completely block visibility of objects behind them.

Front

What happens when light hits a smooth, shiny surface?

Back

When light hits a smooth, shiny surface, it reflects off the surface.

Front

What is reflection?

Back

Reflection is the bouncing back of light rays when they hit a surface.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one material to another, changing its speed.

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What is absorption in terms of light?

Back

Absorption is when light is taken in by a material and not reflected or transmitted.

Front

How does a lemon appear yellow?

Back

A lemon appears yellow because it reflects yellow light and absorbs other colors.

Front

What determines the color an object appears?

Back

The color an object appears is determined by the wavelengths of light it reflects.