Amplify Light Waves Review_shorter

Front

What is the main cause of skin cancer?

Back

Damage to the DNA inside our skin cells.

Front

What is the ability to make things move or change?

Back

Energy.

Front

In order to see an object, what must happen to light?

Back

Light must be reflected off the object and into your eyes.

Front

In order for light to change an object, that object must _______ the light and its energy.

Back

Absorb.

Front

Why does ultraviolet light make a poster glow when light from a desk lamp does not?

Back

Because the poster can take in energy from ultraviolet light but not from the light from the desk lamp.

Front

What is light?

Back

Light is a form of energy that travels in waves.

Front

What is the difference between ultraviolet light and visible light?

Back

Ultraviolet light has a shorter wavelength and carries more energy than visible light.

Front

What happens when light is absorbed by an object?

Back

The object may change temperature or emit energy in another form, such as light.

Front

What is reflection in terms of light?

Back

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

Front

What is transmission in the context of light?

Back

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