Safe drinking water

This lesson will look at the difference between pure and potable water. We will look at how water is treated so that it is safe to drink and also we will also look at two methods of desalination.

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!

Q1.Which type of copper ore contains a low percentage of copper?

1/6

Q2.How is copper-rich ore extracted from the ground?

2/6

Q3.What is used to extract copper in phytomining?

3/6

Q4.What is the ash mixed with in phytomining to form a solution?

4/6

Q5.What is used to extract copper in bioleaching?

5/6

Q6.Displacement is used to extract copper from solution. What type of reaction is displacement?

6/6

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!

Q1.Which type of copper ore contains a low percentage of copper?

1/6

Q2.How is copper-rich ore extracted from the ground?

2/6

Q3.What is used to extract copper in phytomining?

3/6

Q4.What is the ash mixed with in phytomining to form a solution?

4/6

Q5.What is used to extract copper in bioleaching?

5/6

Q6.Displacement is used to extract copper from solution. What type of reaction is displacement?

6/6

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

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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:

Water safe to drink

This quiz will assess the knowledge from this lesson and previous lessons

Q1.By which process did the oceans form?

1/7

Q2.Potable water is safe to drink.

2/7

Q3.What is the first step in water treatment?

3/7

Q4.Which of the following cannot be used in the sterilisation of water?

4/7

Q5.Is sea water safe to drink?

5/7

Q6.Under normal pressure, what temperature does water boil at?

6/7

Q7.How can you reduce the temperature at which water boils?

7/7

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:

Water safe to drink

This quiz will assess the knowledge from this lesson and previous lessons

Q1.By which process did the oceans form?

1/7

Q2.Potable water is safe to drink.

2/7

Q3.What is the first step in water treatment?

3/7

Q4.Which of the following cannot be used in the sterilisation of water?

4/7

Q5.Is sea water safe to drink?

5/7

Q6.Under normal pressure, what temperature does water boil at?

6/7

Q7.How can you reduce the temperature at which water boils?

7/7

Lesson summary: Safe drinking water

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