- May I have ...... sugar?

A. one B. a C. some D. many

- Alex has a glass of milk. => The milk in the glass is solution.

- Kevin put some sand into water. => He didn't make a solution because when you mix sand with water the sand can't be a liquid.

- 3 insoluble mixtures:

+ sand with water

+ rocks with water

+ paper with water

- 3 solutions:

+ water

+ orange juice

+ milk

- James has a solution of salt and water, he wants to separate salt from water => He should take a spoon and put the salt out of the glass.

VII.Fill in each of the blank with one appropreate word

People in big cities often go ___shopping___ in the supermarkets.When you enter the supermarket, you see shelves ___full___ of food. You walk in the aisles __between__ the shelves and push a shopping cart and ___put___ your food in it. You probably hear soft, low ___music___ as you walk along the aisles. The supermarket play slow music. You walk slowly and have more time to __buy___ things. Customers __can___ find some meat in the meat department and the ___dairy___ department sells milk and milk ___products___ such as butter and cheese. Most of the food in the supermarkets __is__ very attractive.