Mixtures of Materials

Question 1

Briefly explain what happens when you mix a solid substance to water?

Answer 1

1. e.g. Sand and stones
2. Solid substances remain separate

Question 2

Briefly explain what happens to the water when you mix a solid cooldrink powder and water?

Answer 2

1. Once mixed you cant see the separate substances in the water

Question 3

Briefly explain what will happen if you mix a liquid with a substance?

Answer 3

1. e.g. cordial and water
2. You cant see the separate substances once mixed.

Question 4

What would you use to separate a solid from a substance?

Answer 4

1. Sieving, filtering, and hand sorting

Question 5

What method will you use to separate solid liquid from a substance

Answer 5

1. Decanting>
2. Sieve> larger solid substance
3. Filter>fine substance

Question 6

What is a mixture

Answer 6

• 2 or more substances
• mixed together

Question 7

What do you understand if you separate a mixture?

Answer 7

• to break up a mixture into its mixed substances

Question 8

What do you understand to remove things physically?

Answer 8

By using tools / hands to separate mixture

Question 9

What does it mean to sieve to separate a mixture?

Answer 9

U se tools with holes of a certain size