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A Comprehensive Guide to Homeschooling

Insoluble and soluble materials


 

In this lesson you will learn about insoluble and soluble materials.

 

How can we separate insoluble materials?

By sieving or filtering

 

What are the events that we need to strain or filter in our day today life?

 

1. To strain rice or noodles to separate it from the water
2. To filter a mixture of coffee made using ground coffee beans
3. To filter a mixture of tea made using tea leaves

 

insoluble and soluble materials example separating rice from water by straining

Straining rice to separate from water

 

How can you filter a mixture of coffee made using ground coffee beans?

 

1. Put the ground coffee into a filter paper in a special holder.
2. Now pour hot water over the coffee.
3. The filter paper will allow the water and coffee solution to pass through into the cup, while the none dissolve coffee grounds are left in the filter paper.

 

Examples for insoluble materials

 

insoluble and soluble materials example sand is insoluble

Sand

 

insoluble and soluble materials example flour is insoluble

Flour

 

insoluble and soluble materials example stones are insoluble

Stones

 

insoluble and soluble materials example gravel is insoluble

Gravel

 

Examples for soluble materials

Milk powder
Washing-up liquids

insoluble and soluble materials example soap is soluble

Soap

 

insoluble and soluble materials example salt is soluble

Salt

 

insoluble and soluble materials example sugar is soluble

Sugar