Separating a mixture

Separating a mixture

Question: What methods are necessary to separate and retain all components of a mechanical mixture?
Controlled variable: The controlled variable is the amount of the extrasubstance you brought.
Independent variable: amount of chocolate powder.
Dependent variable: is the amount, (ML)
Hypothesis: I hypothesize that the methods that are necessary to separate and retainall components of a mechanical mixture are Filtration, Evaporation, Distillation, Magnetism, paper chromatography, sorting, sifting.
Materials:
• Small jar with lid• 5ml sugar
• 5 mL table salt
• 5 ml sand
• 25 ml tap water
• 5 ml vegetable oil
• 1 small beaker
• bar magnet
• Paper towel
• 4 thumb tacks
• funnel
• graduatedcylinder
• 4ml hot chocolate powder
Procedure:
1.) Combine the tacks, table salt, sand, chocolate powder, water and oil in the same jar.
2.) Firmly secure the lid to the jar and shake thecontents vigorously.
3.) As a lab team, discuss and determine how to separate and retain all the components of the mixture.
4.) Use the filter paper and the funnel to filter into the beaker.Observations:

 
-After all the materials were mixed into a mixture. We tried separating the mixture, we tried seperating the mixture using magnetism, we used a bar magnet to get out the tacks. Eventhough it took time we ended up getting out all of the 4 tacks. Next, we poured the liquids out into another container because they are heavier weight. The liquids stayed the same to the human eye,thick and brown. Then, we used a coffee filter, a funnel and the last container to try and filter out the heavier part as in the hot chocolate powders and oil. After a while, it finally filteredthough. The liquid didn’t seem to look any different. We did not expect this because of a strong attraction between the two particles. The filter we noticed had actually caught most of the oils. We knew...