Absorbency
What does it
mean?
Absorbency is…
• a materials ability to soak up a
liquid.
What materials do you think are
absorbent?
Which of these materials
are absorbent?
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Wood
Carpet
Fabric
Rock
Paper
Metal
Sand
Glass
If you spilt water on the
carpet, what would happen?
When you put a sponge in
the bath, what happens?
• It soaks up the
water
• You can squeeze
it back out when
you wash with it
• Is it absorbent?
Can you think
of anything
absorbent that
we use everyday?
Paper Towels
• What do they
need to be?
ABSORBENT
• Why?
How many different kinds of
paper towel can you think
of?
Kitchen Roll
Serviette
Hand towel
Toilet Roll
Tissue
?
Which paper towel is the
most absorbent?
Which will be the best for mopping up a spill?
You are going to investigate
the absorbency of paper
towels.
• What will you need to consider?
• What will you need to change?
• What will you need to keep the same
to make it a fair test?
Paper Towel Investigation
Aim
We would like to find out which kind of
paper towel is the most absorbent.
Prediction
What will we need?
How will we find out?
What will I measure or observe?
What did I find out?