Chapter 19 Optics Practice

Light is a form of ___.

• photons

• energy

• shadows

• rays

Light exists as tiny particles called ___.

• photons

• energy

• shadows

• rays

Light travels in a straight line called ___.

• photons

• energy

• shadows

• rays

What are formed when light rays are blocked by an object?

• photons

• energy

• shadows

• rays

Light travels ___ than sound.

• faster

• slower

• the same

Aluminous objects produces its own ___.

• sound

• shadow

• light

• glitter

A non-luminous object ___ light.

• refracts

• bends

• absorbs

• reflects

What happens to light when it strikes an object?

Check all that apply.

• refracts

• reflects

• transmits

• absorbs

We see objects simply because they ___ light into our eyes.

• refract

• transmits

• reflect

• absorbs

What is an example of a non-luminous object is?

• sun

• fire

• star

• mirror