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Science 3rd grade | UNIT 5: Investigating materials 5.2 Sorting materials

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visibility 131update 2 years agobookmarkshare

Words to learn

hard - soft - dull - shiny

A material can be put in a group. These materials are sorted into hard and soft groups.

The same objects can also be sorted into dull and shiny groups.

You will need: some objects each made from a single material

Let's separate the materials as hard or soft. / Hmm, is the ball of wool hard or soft? / It's soft, so let's put it in that group.

Look at the picture to see what to do.
Now choose another property and sort the objects into two different groups.
There are different ways of sorting. A branching tree database can be used to identify these four objects. Choose one of the four objects and answer the questions.

brick / balloon / paper / ice / Is it hard? Yes no / Is it shiny? Yes no / Is it waterproof? Yes no

1) Write three different materials that are waterproof.
2) Write all the properties you can think of for plastic.

Graphene is a new material that is very strong and very light

What you have learnt

- Materials can be sorted in different ways.
- A branching tree database can be used to identify objects.

Talk about it!

What could grapheme be used for?

Science 3rd grade | UNIT 5: Investigating materials 5.2 Sorting materials

Activity 5.2 (Sorting materials)

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