Lesson 2: How Does Light Behave?

Which of these describes how light travels?

• It travels straight even after it hits an object.

• It changes direction right away.

• It comes to a stop after it travels long distances.

• It travels in a straight line until it hits a surface.

What does the pencil in this picture show about light?

• Light is refracted when it hits a curved object.

• Light is reflected when it hits a curved object.

• Light is refracted when it passes from air into water.

• Light is reflected when it passes from air into water.

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What surface best reflects light?

• dull
• shiny
• clear
• black

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How is refraction different from reflection.

• Reflection is the bouncing of light off an object and refraction is the bending of light when it moves through one kind of matter to another.

• Reflection is the bending of light when it moves through one kind of matter to another and refraction is the bouncing of light off an object.

Lenses and mirrors that curve in and turn away from an object are called ___________.

• Converse

• Convex

• Convection

• Concave

Lenses and mirrors that curve out in the center are called ______________.

• Converse

• Concave

• Convex

• Convection

The bending of waves as they pass from one substance into another.

• Reaction
• Reflection
• Refraction
• Repost

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The distance between one peak and the next in a wave is called ________________.

• transparent

• scattering

• wavelength

• wastelength

The term for any wave that hits a surface and bounces off is called ______________.

• Transparent

• Translucent

• Refraction

• Reflection

Allows most light to pass through is called _______________.

• eflection

• refraction

• translucent

• transparent