4TH. LEVEL CEIP LUIS DE MORALES BADAJOZ January 2017

WE INVESTIGATE ABOUT...

1st. Experience:1st. Experience: Testing materials Testing materials

Our aim was observing and testing different materials and their properties: - Cotton - Salt - A stone - Aluminium foil - Sand

Touching and observing the properties of Touching and observing the properties of materialsmaterials

We record our resultsWe record our results

SEPARATING MIXTURES using the SEPARATING MIXTURES using the scientific methodscientific method

Our aim was separate the different ingredients of a mixture using three methods: - Filtration - Magnetism - Evaporation

How we did it?

1st.- We mixed some salt, some soil and some iron filings.

2nd.- We separated iron filings from the mixture by …

MAGNETISM

Magnet atracts the iron filings. It was amazing!!

3rd.- Then we add some water to make a new mixture: water, soil and salt.

Salt is dissolved in water

4 rd.- .- We separated soil from waterand salt by

FILTRATION

Water passed through the filter and the soil remained in it.

5 th.- We put the solution in a dish.

6 th.- All the dishes with the solutions were placed on the radiator.

7 th.- We waited 24 hours, and …

A cause the heat, water was disapperared!Salt have made chrystals!

The discovery was amazing for The discovery was amazing for students.students.

We recorded all the process in our lab worksheet.

8 th.- .- We separated salt from water by

EVAPORATION