Separating Mixtures

Question 1

What are the ingredients of a pancake?

Answer 1

Eggs,flour,milk,salt

Question 2

What are the ingredients of water?

Answer 2

Hydrogen,oxygen

Question 3

What are the ingredients of a sandwich?

Answer 3

Bread,ham,cheese,tomato,butter

Question 4

What are the five ways of separating mixtures?

Answer 4

Sieving,filtering,hand sorting,settling and decanting.

Question 5

Define sieving?

Answer 5

This method allows particles through but catches bigger ones.

Question 6

Define filtering?

Answer 6

When particles are much smaller and will go through a sieve we can use filtering. Separates insoluble solids (substance that doesn’t dissolve in water )from liquids.

Question 7

Define Hand sorting?

Answer 7

Hand sorting is used when the substances are big enough to be separated by hand.

Question 8

Define settling?

Answer 8

Some substances separate themselves. If you leave the jar alone for a while the sand/sediment will start to settle on the bottom.

Question 9

Define decanting?

Answer 9

Decanting is used to separate a mixture of a liquid and a solid where the solid has formed sediment.

Question 10

Define the word separate?

Answer 10

To break up a mixture into the substances mixed.

Question 11

What is a mixture?

Answer 11

Made up of at least 2 different substances that are mixed together.