When light hits an object, - PowerPoint Presentation

Slide1

When light hits an object,

what happens?Slide2

When light hits an object,

what happens?

I can tell if an object is opaque, translucent, or transparent.Slide3

When light hits an object, what happens?Slide4

When light hits an object, what happens?

Well, it depends on what the object is…Slide5

When light hits an object, what happens?

Well, it depends on what the object is…Some objects do not allow light to pass through.Slide6

When light hits an object, what happens?

Well, it depends on what the object is…Some objects do not allow light to pass through.

BookSlide7

When light hits an object, what happens?

Well, it depends on what the object is…Some objects do not allow light to pass through.

Book

These objects are called

opaque

.Slide8

When light hits an object, what happens?

Well, it depends on what the object is…Some objects do not allow light to pass through.

Book

These objects are called

opaque

.

*no light goes through

*makes a dark shadowSlide9

When light hits an object, what happens?

Some objects allow some light pass through.Slide10

When light hits an object, what happens?

Some objects allow some light pass through.

Single sheet

of paperSlide11

When light hits an object, what happens?

Some objects allow some light pass through.

Single sheet

of paper

These objects are called

translucent

.Slide12

When light hits an object, what happens?

Some objects allow some light pass through.

Single sheet

of paper

These objects are called

translucent

.

*some light goes through

*makes a lighter shadowSlide13

When light hits an object, what happens?

Some objects allow a lot of light to pass through.Slide14

When light hits an object, what happens?

Some objects allow a lot of light to pass through.

Sheet of

clear plasticSlide15

When light hits an object, what happens?

Some objects allow a lot of light to pass through.

Sheet of

clear plastic

These objects are called

transparent

.Slide16

When light hits an object, what happens?

Some objects allow a lot of light to pass through.

Sheet of

clear plastic

These objects are called

transparent

.

*a lot of light goes through

*little if any shadowSlide17

How will we remember the difference?Slide18

How will we remember the difference?

OpaqueSlide19

How will we remember the difference?

OpaqueSlide20

How will we remember the difference?

Opaque

TranslucentSlide21

How will we remember the difference?

Opaque

Translucent

s

ome

l

ightSlide22

How will we remember the difference?

Opaque

Translucent

s

ome

l

ightSlide23

How will we remember the difference?

Opaque

Translucent

s

ome

l

ight

TransparentSlide24

How will we remember the difference?

Opaque

Translucent

s

ome

l

ight

TransparentSlide25

How will we remember the difference?

Opaque

Translucent

s

ome

l

ight

Transparent

I can see you,

darling.Slide26

I can tell if an object is opaque, translucent, or transparent.Slide27

I can tell if an object is opaque, translucent, or transparent.

So… can you?Slide28

I can tell if an object is opaque, translucent, or transparent.

So… can you?

Let’s find out.

I will show you three different objects.

You find which one is

opaque

,

which one is

translucent

,

and which one is

transparent

.Slide29

I can tell if an object is opaque, translucent, or transparent.Slide30

I can tell if an object is opaque, translucent, or transparent.

eyeglasses

blindfold

sunglassesSlide31

I can tell if an object is opaque, translucent, or transparent.

eyeglasses

blindfold

sunglasses

OpaqueSlide32

I can tell if an object is opaque, translucent, or transparent.

eyeglasses

blindfold

sunglasses

Opaque

Transparent

I can see you,

darling.Slide33

I can tell if an object is opaque, translucent, or transparent.

eyeglasses

blindfold

sunglasses

Opaque

Transparent

I can see you,

darling.

Translucent

s

ome

l

ightSlide34

I can tell if an object is opaque, translucent, or transparent.Slide35

I can tell if an object is opaque, translucent, or transparent.

stained glass

clean window

heavy curtainsSlide36

I can tell if an object is opaque, translucent, or transparent.

stained glass

clean window

heavy curtains

OpaqueSlide37

I can tell if an object is opaque, translucent, or transparent.

stained glass

clean window

heavy curtains

Opaque

TranslucentSlide38

I can tell if an object is opaque, translucent, or transparent.

stained glass

clean window

heavy curtains

Opaque

Translucent

TransparentSlide39

I can tell if an object is opaque, translucent, or transparent.

heavy curtains

Opaque

Go further…

Are

all

curtains opaque?Slide40

I can tell if an object is opaque, translucent, or transparent.

heavy curtains

Opaque

Go further…

Are

all

curtains opaque?

Many curtains allow

some

light to pass through. It depends on the fabric they are made from, right? Curtains that allow some light through are not opaque, but…Slide41

I can tell if an object is opaque, translucent, or transparent.

heavy curtains

Opaque

Go further…

Are

all

curtains opaque?

Many curtains are allow

some

light to pass through. It depends on the fabric they are made from, right? Curtains that allow some light through are not opaque, but…

translucent.Slide42

I can tell if an object is opaque, translucent, or transparent.

Opaque

Translucent

s

ome

l

ight

Transparent

I can see you,

darling.Slide43

I can tell if an object is opaque, translucent, or transparent.

Opaque

Translucent

s

ome

l

ight

Transparent

I can see you,

darling.

Now you take control.

Look around the classroom to find

more objects that are

opaque, translucent, or transparent. Slide44

I can tell if an object is opaque, translucent, or transparent.

Opaque

Translucent

s

ome

l

ight

Transparent

I can see you,

darling.

Make a chart to record your objects.

Opaque

Translucent

Transparent