Why Do Things Look Darker When They Are Wet?

When light strikes an object, what happens to some of the light?

• Some of the light is reflected.

• Some of the light becomes brighter.

• Some of the light turns into sound.

• Some of the light becomes less bright.

What is an effect of an object getting wet?

• More light is reflected by the object.

• Less light penetrates the object.

• More light penetrates the object.

• The object looks lighter.

What is the main idea of this text?

• Steel, glass, and plastic do not look darker when they are wet.

• If an object is wet, it reflects less light and looks darker.

• When light strikes an object, some of it is reflected by the object.

• When light strikes an object, some of it penetrates the object.

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Read Fact 1 and look at the image next to it.

When light moves from air to water, some of the light reflects and some refracts. The reflected light 'bounces' off the water, and the refracted light bends at the air/water boundary and passes through the water.

Based on this information, what can you conclude about the image next to Fact 1?

• The image shows light being refracted but not reflected by water.

• The image shows light being reflected but not refracted by water.

• The image shows light being reflected and refracted by water.

• The image shows light striking water from different directions.

Read Fact 2 and look at the image next to it.

When light strikes any object, some of the light is reflected and some is refracted and transmitted through or absorbed by the object. The relative amounts of which depend on the material properties of the object, its index of refraction.

Based on this information and the image next to it, what is a difference between jeans and a mirror?

• Jeans refract less light than a mirror does.

• Jeans reflect more light than a mirror does.

• Jeans absorb less light than a mirror does.

• Jeans refract more light than a mirror does.