3C.1 - Substances and Separation Halfway Review

Candidate Name:

Can you define the following words?

  • mixture
  • evaporation
  • seperating
  • filtration
  • element
  • Impure
  • atom
  • Pure
1) What is a 'pure substance'?


2) What is a trace substance?


3) How can we identify a pure substance from an impure?


4) How can we separate salt from sand?


5) What is filtration?


6) What is a residue?


7) What is a filtrate?


8) What allows us to separate substances through evaporation?


9) What is distillation?


10) How does distillation work?


11) How do the Big Ideas link to this topic?

a) Forces:





b) Particles:





c) Energy:





d) Cells: