C2.2.4-KS3

C2.2.4 Filtration

Resource

Work sheet

Video Resource

LifeStraw.mp4

Life straw

Practical example for filtration

Practical

C2.2.4 Filtration


Demo : The life straw

  • Muddy water (or coffee water to show pupils filtration)
  • Life straw (from home)


Experiment: - Filter muddy water

10x

  • 1x Filter paper
  • 1x Funnel
  • 1x Muddy water (or coffee water to show pupils filtration)
  • 1x Conical flask


Learning key terms such as filtrate and residue


Risk assessment:

  • No risk



Risk assessment:

  • Explain absolutly no drinking the filtrate

Target:

• Name the filtrate and residue in given situations

• State some situations in which filtering is used

• Draw a labelled diagram of the apparatus needed to filter a solution


• Explain how filtration works

• Describe how to filter a mixture

• Label a diagram of apparatus used for filtration to show where the filtrate and residue are found


• Use particle diagrams to illustrate how filtering works

• Explain whether or not filtering can be used in given situations

• Explain in detail how filtration apparatus can be used to separate salt from a mixture of salt and sand