What do particles in pure substances and mixtures look like?
In this lesson, we are going to look at the differences in the particles of pure and impure substances. We will use water and gold as examples. You will need a pencil, a piece of paper and a ruler.
What do particles in pure substances and mixtures look like?
In this lesson, we are going to look at the differences in the particles of pure and impure substances. We will use water and gold as examples. You will need a pencil, a piece of paper and a ruler.
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Lesson details
Key learning points
- Define pure, impure and mixture
- Draw particle diagrams to represent pure and impure materials
- Give examples of useful mixtures
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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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5 Questions
Q1.
Does diagram A represent the particles in a solid, liquid or gas?
Liquid
Solid
Q2.
Does diagram B represent the particles in a solid, liquid or gas?
Gas
Liquid
Q3.
Does diagram C represent the particles in a solid, liquid or gas?
Gas
Solid
Q4.
Which state of matter takes the shape of the bottom of a container?
Gas
Solid
Q5.
Which state of matter can be compressed?
Liquid
Solid
5 Questions
Q1.
What is meant by a pure substance?
A substance with a mix of different particles
Q2.
Is the diagram above showing a pure or impure substance?
Pure
Q3.
What kind of substance is the diagram above showing?
Impure gas
Impure liquid
Impure solid
Pure gas
Pure liquid
Q4.
What type of substance is the diagram above showing?
Impure liquid
Impure solid
Pure gas
Pure liquid
Pure solid
Q5.
What type of substance is diagram D showing?
Impure gas
Impure solid
Pure gas
Pure liquid
Pure solid