Dichotomous Key Lab

This lab exercise uses a dichotomous key to help you classify the contents of small vials into the proper type of matter: elements, compounds, colloid, suspension, heterogeneous mixture, etc. A great way to review dichotomous key and classification of elements, compounds, and mixtures.    

Lesson Variations

Blooms taxonomy level: 
Understanding

Helpful Hints

Materials:

  • pen/pencil     
  • Dichotomous Key Chart
  • matter flowchart
  • student worksheet     
  • vial of sand     
  • vial of glue
  • vial of gravel    
  • vial of sugar (C12H22O11)
  • vial of salt in water
  • vial of sulfur (S)    
  • vial of lead (Pb)    
  • vial of beads
  • vial of milk of magnesia     
  • vial of bromothymol blue in water     
  • vial of copper (Cu)
  • vial of water (H2O)

References

Contributors: