Page 27 - 新思维科学学生用书7 样章

2 Materials and their

structure

2.1 Solids, liquids and gases

In this topic you will:

• sort the states of matter into solids, liquids and gases
• learn about the properties of solids, liquids and gases
• use particle theory to describe the structure of solids, liquids and gases

• use particle theory to learn about the properties of solids, liquids and gases.

Getting started Key words

1 Name two solids, two liquids and two gases. compressed
2 Copy and complete the table. Use the substances you flow
listed in Question 1. Discuss your reasons for each decision hypothesis

with your group.
matter
Substance Solid, liquid or gas I know this particle
because…
pour
Example: tap water liquid I can pour it.
property

states of matter
theory

vacuum
vibrate

volume

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