# 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.

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

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

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

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

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?

## 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:
Dance