Water fit to drink

Eyemouth High School

Copy the title & underline it.

Miss 2 lines after the title and between questions

Miss 1 line between different parts of a question.

Draw a small table and write in your reading time and writing time.

17.Sept Water fit to drink SS1p61

(miss two lines)

River water is less clean than a mountain stream because it has gathered specks of soil, bits of plants and insects and also dissolved chemicals.

(miss two lines)

2. (a) Screens are metal grids used to remove large pieces of dirt and rubbish.

(b) Water mains are huge pipes which carry water from the water treatment works to houses and factories.

3. (a) In the reservoir water is stored and sand and gravel settle out at the bottom. Some harmful germs and chemicals are also destroyed.

(miss one line)

(b) In the filter beds the fine particles of dirt, plants and insects are removed .

4. (a) Chlorine is added to drinking water to kill any germs.

(b) The amount of chlorine must be very small because it is a dangerous chemical if too much is used and it also makes the water taste bad.

5. You should boil untreated water to kill off germs.

6. Fluoride is added to some water supplies because it prevents tooth decay, especially in young people.

Reading time	8min
Writing time	20 min

Write the book number and page number.

Use the words from the question to form the starting words in your answer.

If there is a black triangle at the end of the question, the answer is in the text.

You can also add your own extra information.

Write using full sentences.

Start each sentence with a capital letter.

Finish each sentence with a full stop.