Tuesday 13 December 2016

ENDING OF THE FIRST TERM

What did you learn about culture?
I  learned about Arizona, Pekin and the titanic.
What do you need to improve?
    I need to improve the vocabulary and the listenning
How can you improve it?
     I can improving studing a bit more
What did you do in English outside the class?

Thursday 1 December 2016

DENSITY

INTRODUCTION  Thev density of a substance is defined as the relationship between its mass and its volume
         
                         D: M/V



MATERIALS:
  
A weight scale

Mercury and oil

A pipette



       PROCEDURE


To calculate the density we need to know mass and volume


MHG :  70,3


MOIL  4,7


ANALYSIS OF THE RESULTS


Substance 1  Mass: 5.2


Volume: 1 cm3 

Substance 2 :4,3



Volume : 0.8 g for 1 cm3