Separating Mixtures Separating Mixtures Separating Mixtures Mixing sulphur

Separating Mixtures

Separating Mixtures

Separating Mixtures Mixing sulphur and iron. . . how could you separate this mixture?

Separating Mixtures

Do not put magnetic directly on iron Hold the magnet below the Petri dish Sulphur + Iron mixture Petri dish Magnet

Separating Mixtures You’re stranded on a desert island surrounded by sea water, sadly your science teacher is lost at sea but luckily all your science equipment has washed up. . . how could you separate a mixture of sand, salt and water to get drinking water?

Goal: to extract clean fresh water Come up with a plan, you will need: - A list of equipment - A series of steps You should be able to explain your reasoning for each step, use your science knowledge! You have 10 minutes

Ideas and Changes

Separating Mixtures: Filtration filter paper Mixture (salt, sand, water) filter funnel Mixture (salt and water)

Separating Mixtures: Evaporation Water Mixture Evaporating dish (salt and water) Bunsen burner

Separating Mixtures: Distillation What is happening here? Water Vapour Mixture (salt and water) Bunsen burner Water

Separating Mixtures – Solid and Liquid Separate a mixture of sand, copper sulphate and water. Filtration Evaporation

Draw a diagram for filtration and evaporation Separating Mixtures: Solids and Liquids 1. Filtration: method of separating an insoluble solid from a solution

Draw a diagram for filtration and evaporation Separating Mixtures: Solids and Liquids 2. Evaporation: method of separating a soluble solid from a solution

Filtration, Evaporation and Distillation http: //www. bbc. co. uk/learningzone/clips/separ ating-mixtures-of-materials/2295. html

Separating Mixtures - Liquids How could we separate a mixture of water and alcohol? Alcohol boils at 78 C Water boils at ? C If you heated a mixture of water and alcohol which would boil first?

Separating Mixtures - Liquids How could we prove we have separated the water and alcohol?

Separating Mixtures: Centrifuging http: //www. absorblearning. com/media/attach ment. action? quick=ut&att=2208

http: //www. tes. co. uk/teachingresource/Evaporation-and. Condensation-Robinson-Crusoe. Makes-Drinking-Water-6085195/

http: //www. bbc. co. uk/schools/ks 3 bitesize/science/chemical_mat erial_behaviour/compounds_mixtures/activity. shtml