2.2 Substances Mixtures

Planning
  • Revision 1.1

  • Explanation H1.2 (Start)

  • Let's work
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Slide 1: Diapositive
Natuurkunde / ScheikundeMiddelbare schoolhavoLeerjaar 2

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Planning
  • Revision 1.1

  • Explanation H1.2 (Start)

  • Let's work

Slide 1 - Diapositive

What do you know about:
Substances

Slide 2 - Carte mentale

At the end of this lesson:
You will know:

  • What mixtures are
  • What solution / suspension / emulsion are

You will be able to:
  • Recognize the 3 mixtures

Slide 3 - Diapositive

H2.1
  • Substances are everywhere around us

  • Everything is made from a substance 

Slide 4 - Diapositive

H2.1
  • Substances are everywhere around us

  • Everything is made from a substance 

Slide 5 - Diapositive

H2.1
  • Substances are everywhere around us

  • Everything is made from a substance 

  • Some substances look similar

Slide 6 - Diapositive

H2.1
  • Substances are everywhere around us

  • Everything is made from a substance 

  • Some substances look similar

Slide 7 - Diapositive

H2.1
  • Substances recognize by it's characteristics :
  • Properties

  • For example:
  1. Odour
  2. Colour
  3. Taste
  4. Flammability

Slide 8 - Diapositive

H2.2
  • Substances consist of particals : 
  • molecules

Slide 9 - Diapositive

H2.2
2 Kind of substances:
  • Pure substances


  • Mixtures

Slide 10 - Diapositive

Give a description of a 'pure substance'

Could you give an example?

Slide 11 - Question ouverte

Give a description of a 'mixture'

Could you give an example?

Slide 12 - Question ouverte

H2.2
  • Pure substances
  •        Consist of 1 substance, 1 kind of molecules

  • Mixtures
  •        Consist of 2 or more substance, 2 or more kind of molecules

Slide 13 - Diapositive

H2.2
  • Pure substances


  • Mixtures

Slide 14 - Diapositive

H2.2
  • Pure substances
       Not realy common

  • Mixtures
       Everywhere around us

Slide 15 - Diapositive

H2.2
  • Pure substances


  • Mixtures

Slide 16 - Diapositive

H2.2
  • Mixtures

  • 3 Types of mixtures
  1. Solution
  2. Suspension
  3. Emulsion


Slide 17 - Diapositive

Solution
  • Solvent
  • What is a solute/ dissolved substance?

  • Clear, sometimes colored 

Slide 18 - Diapositive

Solution
  • Solvent
  • What is a solute/ dissolved substance?

  • Clear, sometimes colored 

Slide 19 - Diapositive

Suspension
  • A liquid with a floating fine powder
  • The powder does not disolve!!

  • Cloudy, colored 

Slide 20 - Diapositive

Suspension
  • A liquid with a floating fine powder
  • The powder does not disolve!!

  • Cloudy, colored 

Slide 21 - Diapositive

Suspension
  • A liquid with a floating fine powder
  • The powder does not disolve!!

  • Cloudy, colored 

Slide 22 - Diapositive

Emulsion
  • A cloudy mixture of two liquids,
  • The liquids does not disolve!!

  • Cloudy, colored 

Slide 23 - Diapositive

Emulsion

  • A cloudy mixture of two liquids,
  • The liquids does not disolve!!

  • Cloudy, colored 

Slide 24 - Diapositive

Let's Work

- Read:

   Extra document: Pure substances + mixtures


- Finish the following exersises: 

   Extra document: 1, 2, 6, 7, 8, 9

Slide 25 - Diapositive