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.

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.

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!

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.How are particles arranged in a solid?

1/5

Q2.How do particles behave in gasses?

2/5

Q3.How do particles behave in liquids?

3/5

Q4.Pure substances contain only one type of particle.

4/5

Q5.Is tap water pure or impure?

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.

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!

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.How are particles arranged in a solid?

1/5

Q2.How do particles behave in gasses?

2/5

Q3.How do particles behave in liquids?

3/5

Q4.Pure substances contain only one type of particle.

4/5

Q5.Is tap water pure or impure?

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.

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.

Quiz:

What makes something a mixture?

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

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Why is steel a mixture?

1/5

Q2.Which metals make the alloy bronze?

2/5

Q3.Why is bronze more useful than pure metals?

3/5

Q4.What is it called when two liquids cannot mix?

4/5

Q5.What happens when oil and water are mixed?

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.

Quiz:

What makes something a mixture?

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

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Why is steel a mixture?

1/5

Q2.Which metals make the alloy bronze?

2/5

Q3.Why is bronze more useful than pure metals?

3/5

Q4.What is it called when two liquids cannot mix?

4/5

Q5.What happens when oil and water are mixed?

5/5

Lesson summary: What makes something a mixture?

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