How can we separate mixtures into pure substances?

In this lesson we will learn about four ways that mixtures can be separated, including using magnets; evaporation, filtration and sieving.

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Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.What is a formulation?

1/5

Q2.Which of the following are formulations? Pick 2 correct answers.

Select two (2) boxes

2/5

Q3.Does the amount of each substance in the formulation need to be equal?

3/5

Q4.Does the proportion of each substance need to be the same each time the formulation is made?

4/5

Q5.If you want to make double the amount of formulation what do you need to do?

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.What is a formulation?

1/5

Q2.Which of the following are formulations? Pick 2 correct answers.

Select two (2) boxes

2/5

Q3.Does the amount of each substance in the formulation need to be equal?

3/5

Q4.Does the proportion of each substance need to be the same each time the formulation is made?

4/5

Q5.If you want to make double the amount of formulation what do you need to do?

5/5

Video

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Worksheet

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

How can we separate mixtures into pure substances?

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.How many types of particle are there in a mixture?

1/5

Q2.Why can iron filings be separated from sand using a magnet?

2/5

Q3.How can salt be separated from water when it is dissolved?

3/5

Q4.How can sand be separated from water?

4/5

Q5.How can rocks be separated from water?

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

How can we separate mixtures into pure substances?

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.How many types of particle are there in a mixture?

1/5

Q2.Why can iron filings be separated from sand using a magnet?

2/5

Q3.How can salt be separated from water when it is dissolved?

3/5

Q4.How can sand be separated from water?

4/5

Q5.How can rocks be separated from water?

5/5

Lesson summary: How can we separate mixtures into pure substances?

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Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Climb stairs

On the spot:
Chair yoga