Light and Living Things

What is a wave that consists of changing electric and magnetic fields called?

• sound wave 
• surface wave
• electromagnetic wave
• water wave

When does light travel in straight lines.

• When the light is absorbed
• When the material light travels in changes
• When the material light travels in does not change.

Which of the following make up only a small portion of the electromagnetic spectrum?

• radio waves
• x-rays
• visible light waves
• infrared waves

What is the bouncing of light waves off an object?

• reflection
• absorption
• reflection
• incidence

What is the arrival of a beam at a surface?

• reflection
• absorption
• scattering
• incidence

What is the range of colors of light?

• white light
• visible spectrum
• electromagnetic spectrum
• electromagnetic wave

What is the interaction of light with matter that causes light to change direction?

• reflection
• scattering
• absorption

Type of wave that makes up light

• electromagnetic wave 
• electromagnetic spectrum
• white light
• visible spectrum

What colors of light do you see when you look at an opaque object?

• only colors that are reflected
• only the colors that are absorbed
• only the colors that are transmitted
• only the colors that are refracted

Which of the following do a magnifying glass and the human eye use to form images?

• convex lens
• concave lens
• shutter
• aperture