Dirty Water experiment

Aim: To Make dirty water clear by making a filter using household materials.

Materials:

1. plastic bottle
2. sand
3. pebbles
4. fillter papper
5. scissors
6. craft knife
7. dirty water 

Process:

Step 1: Cut the bottle in half to form a funnel and a container for catching the water.

Step 2: Fold filter paper into quarters then unfold so that it forms a cone shape.

Step 3: Sand was then put on top of the filter paper.

Step 4: Pebbles were put on top of the sand

Step 5: Dirty water was put on the sand and pebbles.

Step 6: Watch and wait to see what happens.

Peoples votes for dog breeds

Today in 7/8TZ I had to ask my class what dog breeds they like?

DOG BREEDS

Bulldog	2
Labrador	7
English mastiff	1
Pug	1
Boxer	1
Husky	5
Pomeranian	2
Staffy
Border collie	1
Other	9

Bar graph for dog breeds

Team one= other and border collie

Team two= husky and pomeranian

Team three= english mastiff, pug, boxer, border collie and staffy

Team four= Bulldogs and labrador

The most popular dog in 7/87Z is a labrador

The less most popular dog in 7/8tz is a staffy

no one new what a pomeranian  dog was...

home chemistry salt experiment

Task one : the plan

1.we need to find out how much salt there needs to be in water before it wont freeze over night.

2.how will we find it out? we well pot 5 glass of water in the freeze over night each with a different  amount of salt.

3.how will we record what we find out. we well check to see what ones are frozen and write it in on our blog.

4.what equipment be we need for the experiment. salt, water, freezer, five cups,  spoon, vivid.

5.how long will it take. over night

task two: the procedure

step 1: get a five cups full of water

step 2: get a vivid and write the numbers on the front of the cups

step 3: no salt in the first cup. one tea spoon of salt in the second one. 2 in number 3. 3 in cup 4 and 4 in cup 5.

step 4:put them in the freezer for over night.

step 5:the next morning take them out of the freezer and test them to see how frozen they are.

step 6: write down what we frond out on our blog.

home chemistry

Home chemistry

Aim: look at 10 household chemistry

Equipment:

1.salt                  sodium chloride

2.surf                              sodium aluminosilicate

3.white vinegar              acetic acid

4.Baking soda                Sodium hydrogen carbonate

5.Baking powder            hydrogen carbonate

6.cleaner                         formula

7.detergent                      chemical formula

8.lemonade                      Cellulose

9.sugar                             sucrose

10.lemonde juice             citric acid

Today in science we looked at the common and scientific names for 10 household items