Year 5
What makes something a mixture?
In this lesson, we will learn what makes a substance a mixture. We will also learn how to identify mixtures and the benefits of using an alloy over a pure metal.
Year 5
What makes something a mixture?
In this lesson, we will learn what makes a substance a mixture. We will also learn how to identify mixtures and the benefits of using an alloy over a pure metal.
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Lesson details
Key learning points
- Know what a mixture is
- Give examples of mixtures of substances from the same state of matter
- Give examples of mixtures of substances from different states of matter
Licence
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5 Questions
Q1.
How are particles arranged in a solid?
Not touching and in ordered rows.
Not touching and not in ordered rows.
Touching and not in ordered rows.
Q2.
How do particles behave in gasses?
They can slide past each other.
They cannot move.
They vibrate on the spot.
Q3.
How do particles behave in liquids?
They cannot move.
They move fast in all directions.
They vibrate on the spot.
Q4.
Pure substances contain only one type of particle.
False
Q5.
Is tap water pure or impure?
Impure because it only contains water particles.
Pure because it contains water particles and salt particles.
Pure because it only contains water particles.
5 Questions
Q1.
Why is steel a mixture?
It contains only iron particles.
It contains only steel particles.
It contains two iron particles.
Q2.
Which metals make the alloy bronze?
Iron and carbon.
Iron and copper.
Tin and iron.
Q3.
Why is bronze more useful than pure metals?
It is a different colour.
It is cheaper.
It is softer.
Q4.
What is it called when two liquids cannot mix?
Immixable
Miscible
Mixable
Q5.
What happens when oil and water are mixed?
They form two layers, oil on the bottom and water on the top.
They mix to form a single liquid.