Light Energy

Front

What is light energy?

Back

Light energy is a type of energy that helps us see things. It comes from sources like the Sun, lamps, and fire.

Front

What is an opaque object?

Back

An opaque object is something that does not let light pass through it. For example, a wall or a book.

Front

What does it mean for an object to be transparent?

Back

A transparent object is one that allows light to pass through it, like a clear window.

Front

What is a light source?

Back

A light source is something that gives off light. Examples include the Sun, a lamp, and a candle.

Front

Why do plants need light?

Back

Plants need light to grow because they use it to make their food through a process called photosynthesis.

Front

What happens when light energy decreases?

Back

When light energy decreases, objects appear dimmer and less visible.

Front

What is a shadow?

Back

A shadow is a dark area that is created when an object blocks light.

Front

Can light travel through water?

Back

Yes, light can travel through water, but it may be bent or refracted.

Front

What is reflection of light?

Back

Reflection of light is when light bounces off a surface, like a mirror.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one material to another, like from air to water.