Page 39 - science
P. 39
What else can materials do?
In this lesson you will learn that some materials
stretch and some materials can float. Key words
fabric
Materials that stretch float/sink
heavy/light
stretch
Look at the photograph.
Talk to your partner about it.
Why does the hair band
need to stretch?
This person is using a hair band. What material is the hair
See how it stretches! band made of?
Which materials can stretch?
You are going to investigate some materials.
1 With your partner, look at the objects in the photographs.
2 Guess (predict) which materials Talk about the objects
will stretch. with your partner. Do
you know what materials
3 Test each material to see if your
prediction was correct. the objects are made of?
40
■ For more activities, go to Workbook 1 page 40.
