Light 1/11-1/15

Light 1/11-1/15

Multiple Choice

•Most objects give off their own light.

• True

• False

Open Ended

List one natural and one man-made light source below.

Open Ended

look around your house. Find one light source and show it on camera. When you show the light source, select list it below.

Multiple Choice

1. If an object allows almost all light to pass through it then it is...

• opaque

• transparent

• translucent

• cold

Multiple Choice

The windows that you can easily see through is transparent.

• true

• false

Multiple Select

A _________ object lets some light pass through it.

• transparent

• opaque

• translucent

Open Ended

Name an item that you think is translucent

Multiple Choice

•An _________object lets no light pass through it.

• opaque

• translucent

• transparent

Multiple Choice

A block of wood is opaque.

• true

• false

Multiple Choice

A clear window is opaque

• true

• false

Multiple Choice

If you were building a house in Alaska (where it can be daylight for months!), what type of material would be best to cover your windows with that would help keep the Sun out of your room so you can sleep?

• transparent material

• translucent material

• glass material

• opaque material

Multiple Choice

Your grandma has plants in her kitchen. They need lots of light! What type of windows should she have installed that will be best for her indoor garden?

• transparent material

• translucent material

• glass material

• opaque material

Multiple Choice

The windows that you can easily see through is transparent.

• true

• false

Open Ended

Summarize the differences between translucent, transparent, and opaque below. Format your answer like this:

Translucent=

Transparent=

opaque=

Multiple Choice

What is the only form of energy we can see?

• Prism

• Light

• Mirror

Multiple Choice

Which light source causes shadows in the outdoor environment?

• The sun

• The light bulb

• The house

• The school

Open Ended

A shadow is a place where light _________________

Multiple Choice

Shining a flashlight on a flat mirror proves that light can

• pass through objects.

• only travel in a straight line.

• be reflected.

• be absorbed by the mirror.

Multiple Choice

What word is used to describe light as it strikes a smooth, shiny surface and bounces off?

• shadow

• energy

• reflection

• wave length

Multiple Select

Light travels in ---------

• Wave

• Straight line

Multiple Choice

When light bounces back it is _____

• Reflected

• Refracted

• Absorbed

• Optical Density

Multiple Choice

When light bends it is ______

• Reflection

• Absorption

• refraction

• optical density

Multiple Choice

Why does the straw appear to be bent?

• light is reflected

• light is absorbed

• light is turned

• light is refracted

Multiple Choice

Light traveling through the air moves in a straight line. An object viewed through water looks different because light rays that travel through water are –

• bent.

• bounced.

• reflected.

• absorbed.

Multiple Choice

What is happening in this picture?

• Reflection

• Refraction

Multiple Choice

Refraction is when light...

• Bounces

• Transmits

• Bends

• Absorbs

Multiple Choice

The following is a picture of what type of mirror?

• Convex Mirror

• Concave Mirror

• Plane Mirror

• Flat Mirror

Multiple Choice

Which of the mirrors is used as rearview mirror in vehicles?

• Concave

• Convex

• Plane

Multiple Choice

Convex mirrors cause light to spread out.

• True

• False

Multiple Choice

A ___ lens makes objects appear bigger.

• concave

• convex

• prism

• flat

Multiple Choice

Why does a banana appear to be yellow?

• When white light strikes a banana, all colors of light except for yellow are reflect it. Yellow light is absorbed from the banana. You see the banana yellow.

• The seven colors are absorbed.

• When white light strikes a banana, all colors of light except for yellow are absorbed. Yellow light is reflected from the banana. You see the banana as yellow.

• When white light strikes a banana, the yellow and all the other colors are reflected.

Multiple Choice

Which colors make up white light?

• Red, Orange, and Yellow

• All colors

• Reds and Violets

Multiple Choice

Which color absorbs all light?

• White

• Black

• Orange

• Green

Multiple Choice

The color you see is the color that is ___.

• reflected

• absorbed