Page 62 - 新思维科学学生用书7 样章

2.6 Compounds and formulae

Activity 2.6.1

Making models of particles
You are going to make models of at least five of the compounds mentioned in this

topic.

You will need:
• coloured card or paper, scissors and glue

1 Cut out circles of different colours to represent the different atoms of the
elements.
2 Write the symbol for that element on the atom.
3 Arrange them to form the formula of one of the compounds mentioned in this

topic.
4 Stick them on to a poster and write the name of the compound and its formula
underneath.

5 Display them in your classroom.

Summary checklist

I can explain the differences between elements and compounds.
I can name compounds.

I can use symbols to represent elements and compounds.

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