Page 37 - science
P. 37
What can materials do?
In this lesson you will learn that some materials
are waterproof. Key word
waterproof
If a material keeps water out, it is waterproof.
What do you
This child is have at home
dry in their that is
raincoat. waterproof?
Which material will keep a person
dry in the rain?
Work with your group. Imagine you are going to Be a
make an umbrella. scientist
You will need to test some materials. Scientists make
1 Choose four different materials, such as guesses based
paper, tin foil, plastic wrap and cloth. on information
2 Use each material to wrap a ball of they have
cotton wool. collected.
This is called a
3 Guess which material you think will keep prediction.
the cotton wool dry. This will be the best
material to make an umbrella. page 7
Which material do you think will not make a
good umbrella?
38
■ For more activities, go to Workbook 1 page 38.