Water

Topic Assessment 1
States of Matter
timer
40:00
13 September 2023, Wednesday
1 / 26
volgende
Slide 1: Tekstslide
ChemistrySecondary EducationAge 12,13

In deze les zitten 26 slides, met interactieve quizzen en tekstslides.

Onderdelen in deze les

Topic Assessment 1
States of Matter
timer
40:00
13 September 2023, Wednesday

Slide 1 - Tekstslide

IGCSE Chemistry 0620
Topic 3 Chemistry of our Environment
13 September 2023

Slide 2 - Tekstslide


Describe how you feel right now 
using an emoji.
ūüėíūüôĀūüėźūüôāūüėÉ

Slide 3 - Poll

  • describe chemical tests for the presence of water using anhydrous cobalt (II)chloride and anhydrous copper (II) sulfate  
  • describe how to test for the purity of water using melting point and boiling point  
  • explain that distilled water is used in practical chemistry rather than tap water because it contains fewer chemical impurities  
I intend to:
13 September 2023, Wednesday

Slide 4 - Tekstslide

IGCSE Chemistry 0620
Topic 3 Chemistry of our Environment
13 September 2023

Slide 5 - Tekstslide

  • What do you know about water?
  • What kind of water do you drink at home?
  • Is water important to you? 
Retrieval Activity
timer
2:00
13 September 2023, Wednesday

Slide 6 - Tekstslide

IGCSE Chemistry 0620
Topic 3 Chemistry of our Environment
13 September 2023

Slide 7 - Tekstslide

  • Does an impurity affect the boiling point of water? 
A question that matters! 
13 September 2023, Wednesday

Slide 8 - Tekstslide

IGCSE Chemistry 0620
Topic 3 Chemistry of our Environment
13 September 2023

Slide 9 - Tekstslide

Key Concept
Anhydrous vs. Hydrated

  • Anhydrous ‚ÄĒ NO water
  • Hydrated ‚ÄĒ WITH water
13 September 2023, Wednesday

Slide 10 - Tekstslide

Key Concept
Chemical Tests for the Presence of Water 

  • Cobalt (II) chloride test ‚ÄĒ using anhydrous CoCl2
  • Copper (II) sulfate test ‚ÄĒ using anhydrous CuSO4
13 September 2023, Wednesday

Slide 11 - Tekstslide

Investigation 01
Chemical Tests for Water
timer
5:00
11 September 2023, Monday

Slide 12 - Tekstslide

Processing
13 September 2023, Wednesday
  • Cobalt (II) chloride test ‚ÄĒ using anhydrous CoCl2
  • CoCl2 (s) + 6 H2O (l)  ‚áč  CoCl. 6 H2O (s)

Slide 13 - Tekstslide

Processing
13 September 2023, Wednesday
  • Copper (II) sulfate test ‚ÄĒ using anhydrous CuSO4
  • CuSO4 (s) + 5 H2O (l)  ‚áč  CuSO. 5 H2O (s)

Slide 14 - Tekstslide

IGCSE Chemistry 0620
Topic 3 Chemistry of our Environment
13 September 2023

Slide 15 - Tekstslide

Investigation 02
Test for the Purity of Water
timer
5:00
11 September 2023, Monday

Slide 16 - Tekstslide

Key Concept
Purity Tests for Water and Pure Substances

  • Using melting point 
  • Using boiling point 
13 September 2023, Wednesday

Slide 17 - Tekstslide

Processing
13 September 2023, Wednesday
  • Impurities tend to increase the boiling point of water, so impure water will boil at temperatures above 100 oC.
  • Impurities tend to decrease the melting point of water, so impure water will melt at temperatures below 0 oC.

Slide 18 - Tekstslide

IGCSE Chemistry 0620
Topic 3 Chemistry of our Environment
13 September 2023

Slide 19 - Tekstslide

Water Treatment
13 September 2023, Wednesday
Stages (Ref: page 337)

  • Team 1 - Purification (Screening)
  • Team 2 - Sedimentation
  • Team 3 - Filtration (through fine sand)
  • Team 4 - Chemical absorption (by activated carbon)
  • Team 5 - Disinfection

Slide 20 - Tekstslide

Water Treatment
13 September 2023, Wednesday

Slide 21 - Tekstslide

Water Treatment
13 September 2023, Wednesday
Stages (Ref: page 337)

  • Purification (Screening)
  • Sedimentation
  • Filtration (through fine sand)
  • Chemical absorption (by activated carbon)
  • Disinfection

Slide 22 - Tekstslide

Creative Construction
Water Treatment Prototype
timer
15:00
13 September 2023, Wednesday
GOAL:
  • Build a prototype of a water treatment system using available resources.
  • Invent a low-cost prototype that may be used by people who live in the far-flung areas of Cambodia

Slide 23 - Tekstslide

IGCSE Chemistry 0620
Topic 3 Chemistry of our Environment
13 September 2023

Slide 24 - Tekstslide

Self-Assessment for Learning
11 September 2023, Monday
T O  D O:
  • Identify two ideas you do not understand quite well in our sessions.
  • Ask someone who can explain and write the explanations in your notebook.
  • Verify your learning from a classmate by sharing it with the teacher.
timer
5:00
Week 06 Reflection 2:

Slide 25 - Tekstslide


Why does a car tire explode 
when the temperature increases?

Slide 26 - Open vraag