1. Absorbency
What does it mean?

2. Absorbency is… What materials do you think are absorbent?
a materials ability to soak up a liquid.
What materials do you think are
absorbent?

3. Which of these materials are absorbent?
Wood
Carpet
Fabric
Rock
Paper
Metal
Sand
Glass

4. If you spilt water on the carpet, what would happen?

5. 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?

6. Can you think of anything absorbent that we use everyday?

7. Paper Towels
What do they need to be?
ABSORBENT
Why?

8. How many different kinds of paper towel can you think of?
Kitchen Roll
Serviette
Hand towel
Toilet Roll
Tissue ?

9. Which paper towel is the most absorbent?
Which will be the best for mopping up a spill?

10. 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?

11. 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?