How Light Travels

What happens when you focus a pen light through a hole of a thick cloth?

• Light becomes brighter.

• Light changes direction.

• Light passes through the hole.

• Light is blocked or obstructed.

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Which word best describes how light moves?

• in circles

• slowly

• straight line

• faster through opaque objects

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What do we call a material that light can travel through?

• a. air

• b. medium

• c. pathway

• d. water

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Which of the following is true?

• a. Sound travels faster than light.

• b. Light travels faster than sound.

• c. Light travels at the same speed with sound.

• d. Light and sound do not travel in any medium.

Science labs have a triangular, flat sided block of clear glass or plastic called _____________.

• Box

• Flask

• Flat glass

• Prism

Light travels in a _______________.

• circle

• curve

• straight line

• zigzag

Light travels in _______________.

• all directions

• one direction

• zero directions

• opposite directions

What happens when light passes through a prism?

• It speeds up.

• It slows down.

• It bends and disperses into colors.

• It disappears.

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Which of the following materials allows light to pass through without scattering?

• Frosted glass

• Clear glass

• Wood

• Metal

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What is the phenomenon called when light changes direction as it passes from one medium to another?

• Reflection

• Refraction

• Diffusion

• Absorption

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