1. Discuss the following questions with your partner:
Condensing
Lv4: Describe what pure/distilled water is.
Lv5: Explain what condensing is and give an example.
Lv6: Analyse why pure water is often used in irons.
Entrance activity
Discuss the following questions with your partner:
What is pure water?
Is tap water pure water?
Is bottle water pure water?
Key terms
Water vapour
Condensing
Pure water
Distilled water
Salts

2. Key Word Alert!
Distilled Water
Distilled water is water that has had all of it’s impurities taken out of it. (Minerals, salts, etc.)

3. Discuss the following questions with your partner:
Condensing
Lv4: Describe what pure/distilled water is.
Lv5: Explain what condensing is and give an example.
Lv6: Analyse why pure water is often used in irons.
Entrance activity
Discuss the following questions with your partner:
What is pure water?
Is tap water pure water?
Is bottle water pure water?
Key terms
Water vapour
Condensing
Pure water
Distilled water
Salts

4. Key Word Alert!
Condensing
When a gas turn back into a liquid. This can be speeded up by cooling the gas.

5. Learning Activity 1
Try and write down 3 examples of where you will find condensing taking place.
Learning Activity 2
Draw a particle diagram to show water condensing onto a cold glass window.
Learning Activity 3
Attempt to explain how the particles bonding changes between gas and liquid.

6. Discuss the following questions with your partner:
Condensing
Lv4: Describe what pure/distilled water is.
Lv5: Explain what condensing is and give an example.
Lv6: Analyse why pure water is often used in irons.
Entrance activity
Discuss the following questions with your partner:
What is pure water?
Is tap water pure water?
Is bottle water pure water?
Key terms
Water vapour
Condensing
Pure water
Distilled water
Salts

7. Most people fill irons with normal tap water
Most people fill irons with normal tap water. Over time, their iron becomes blocked and isn’t able to produce steam.
Learning Activity
Level 5:
Explain why you think the iron become blocked when using tap water.
Level 6:
Suggest an alternative and explain why it is unlikely to block up the iron.

8. Discuss the following questions with your partner:
Condensing
Lv4: Describe what pure/distilled water is.
Lv5: Explain what condensing is and give an example.
Lv6: Analyse why pure water is often used in irons.
Entrance activity
Discuss the following questions with your partner:
What is pure water?
Is tap water pure water?
Is bottle water pure water?
Key terms
Water vapour
Condensing
Pure water
Distilled water
Salts

9. Quick Check
Level 4:
Define the term soluble.
What does it mean if a solution is fully saturated?
A liquid turning into a gas is called_________.
Level 5:
Explain what happens to a solid, liquid, or gas when it is heated.
Explain why salt cannot be removed by filtering.
Level 6:
Using the particle model, illustrate a solution containing salt and water. Then identify the solvent and solute.

10. Discuss the following questions with your partner:
Condensing
Lv4: Describe what pure/distilled water is.
Lv5: Explain what condensing is and give an example.
Lv6: Analyse why pure water is often used in irons.
Entrance activity
Discuss the following questions with your partner:
What is pure water?
Is tap water pure water?
Is bottle water pure water?
Key terms
Water vapour
Condensing
Pure water
Distilled water
Salts