Amplify Light Waves Chapter 1

The movement of energy can be tracked by observing...

• how much light comes from a light source.

• the changes the energy causes to matter/material.

• the evidence of energy left behind.

• the changes the light causes to energy.

Light carries _______ that can cause materials to change.

• waves

• particles

• amplitudes

• energy

When a material absorbs energy from light, the energy causes...

• the material to change.

• the light to reflect.

• the light to change.

• the material to give off energy.

Australia receives ________ sunlight compared to Brazil which has lower skin cancer rates.

• less

• more

• a similar amount of

• the most

Lighter or darker skin tones are caused by...

• the amount of sunlight someone receives.

• how close someone lives to the equator.

• the amount of light waves someone receives.

• the amount of melanin in skin cells.

Light ...

• can only be reflected

• only comes in one form

• carries energy from one place to another, even through empty space

• is a type of wave that carries energy from one place to another, even through empty space

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

• reflect, wavelength

• transmit, amplitude

• reflect, energy

• absorb, energy

When a material absorbs energy from light the energy causes the material...

• to stay the same

• to transmit the light

• to reflect the light

• to change

What is the definition of energy?

• To take in

• Anything that has mass and takes up space

• The ability to make things move or change

• How often or fast something happens

What does absorb mean?

• To give off

• The ability to make things mover or change

• To bounce off

• To take in