Absorption
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Absorption. 4.1 Some Materials Can Absorb Water. Circle the objects that absorb water. coin. Rain coat. sponge. tissue. Paper clip. handkerchief. Wooden block. Rubber gloves. Circle the objects that absorb water. coin. Rain coat. sponge. tissue. Paper clip. handkerchief.

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Absorption l.jpg

Absorption

4.1 Some Materials Can Absorb Water


Circle the objects that absorb water l.jpg
Circle the objects that absorb water.

coin

Rain coat

sponge

tissue

Paper clip

handkerchief

Wooden block

Rubber gloves


Slide3 l.jpg

Circle the objects that absorb water.

coin

Rain coat

sponge

tissue

Paper clip

handkerchief

Wooden block

Rubber gloves


Circle the objects that absorb water4 l.jpg
Circle the objects that absorb water.

socks

towel

spoon

cup and saucer

brick

apron

Cotton wool


Circle the objects that absorb water5 l.jpg
Circle the objects that absorb water.

socks

towel

spoon

cup and saucer

brick

apron

Cotton wool


Separate the following objects into absorbent and non absorbent materials l.jpg
Separate the following objects into absorbent and non-absorbent materials.

Absorbent Materials

Non-Absorbent Materials


Separate the following objects into absorbent and non absorbent materials7 l.jpg
Separate the following objects into absorbent and non-absorbent materials.

Absorbent Materials

Non-Absorbent Materials


Slide8 l.jpg

Absorption non-absorbent materials.

4.2 Some Materials Can Absorb More Water Than Others


Three garments are soaked inside three different pails with same amount of water and taken out l.jpg
Three garments are soaked inside three different pails non-absorbent materials.with same amount of water and taken out.

What is the purpose of this test?

To find out which garment can be washed.

To find out how much water is in each pail.

To find out which garment can absorb more water.


Three garments are soaked inside three different pails with same amount of water and taken out10 l.jpg
Three garments are soaked inside three different pails non-absorbent materials.with same amount of water and taken out.

What should be kept the same?

The amount of water before the test

The materials of the garments

The size and shape of the pails


Three garments are soaked inside three different pails with same amount of water and taken out11 l.jpg
Three garments are soaked inside three different pails non-absorbent materials.with same amount of water and taken out.

The three garments are soaked in each pail and then removed.

Match each garment to the pail which it is soaked in.

Garments Pail

Garments Pail

Garments Pail

Raincoat

Singlet

Wool shirt

A

B

C


Three garments are soaked inside three different pails with same amount of water and taken out12 l.jpg
Three garments are soaked inside three different pails non-absorbent materials.with same amount of water and taken out.

John notices that the water in pail B does not change. What can u say?

The raincoat is made of absorbent material.

The raincoat cannot absorb water.

The raincoat has absorbed too much water before it is soaked in pail B.


Three garments are soaked inside three different pails with same amount of water and taken out13 l.jpg
Three garments are soaked inside three different pails non-absorbent materials.with same amount of water and taken out.

Which of the following statements is true?

The raincoat is the most absorbent material.

The singlet can absorb more water than wool shirt.

The raincoat absorbs less water than the single.


Three garments are soaked inside three different pails with same amount of water and taken out14 l.jpg
Three garments are soaked inside three different pails non-absorbent materials.with same amount of water and taken out.

If John wants to replace the garments with other objects to get the same result, what should he replace?

Replace the wool shirt with tissue papers

Replace the wool shirt with nappies

Replace the singlet with an umbrella


Three garments are soaked inside three different pails with same amount of water and taken out15 l.jpg
Three garments are soaked inside three different pails non-absorbent materials.with same amount of water and taken out.

Is this a fair test?

Yes

No


Three garments are soaked inside three different pails with same amount of water and taken out16 l.jpg
Three garments are soaked inside three different pails non-absorbent materials.with same amount of water and taken out.

Why do you say so?

The pails have the same colour.

The garments are all absorbents.

The water level before the test is the same.


Slide17 l.jpg

Absorption non-absorbent materials.

4.3 The Uses Of The Ability Of Materials To Absorb Water


Slide18 l.jpg

Match the uses of the ability of materials to absorb water. non-absorbent materials.

to absorb ink

to mop up water

to wash dishes

to wipe sweat

to keep baby dry


Slide19 l.jpg

Match the uses of the ability of materials to absorb water. non-absorbent materials.

to mop up water

to wash dishes

to keep baby dry

to absorb ink

to wipe sweat



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