5.6 Light

Front

What is an opaque object?

Back

An opaque object is one that does not allow light to pass through it. Examples include a brick wall and a book.

Front

What is the visible light spectrum?

Back

The visible light spectrum is the range of colors that can be seen by the human eye, typically listed as red, orange, yellow, green, blue, and violet.

Front

What does transparent mean?

Back

Transparent means that an object allows light to pass through it without scattering. Examples include clear glass and clean water.

Front

What does translucent mean?

Back

Translucent means that an object allows some light to pass through but scatters it, making objects behind it appear blurry. Examples include frosted glass.

Front

What is refraction of light?

Back

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

Front

Why does a pencil look broken when placed in water?

Back

A pencil looks broken in water because light refracts when it enters the water, causing the pencil to appear displaced.

Front

What is the order of colors in the visible light spectrum?

Back

The correct order of colors in the visible light spectrum is red, orange, yellow, green, blue, and violet.

Front

What is a shadow?

Back

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

Front

What is the difference between reflection and refraction?

Back

Reflection is when light bounces off a surface, while refraction is when light bends as it passes through different materials.

Front

What is an example of a reflective surface?

Back

An example of a reflective surface is a mirror, which reflects light to create an image.