lunes, 18 de febrero de 2019

Rusting of iron

Rusting of Iron

Rusting occurs when iron is exposed to oxygen in air and water or water vapor. ... In areas that have higher humidity, the rusting process takes place faster. 




Exothermic and Endothermic reactions

Exothermic and Endothermic reactions



lunes, 11 de febrero de 2019

Distillation



Distillation is a tecnique where a mixture made of two or more liquids (called "components") with different boiling points can be separated from each other. The mixture is heated until one of the components boils (turns to a vapor).

Resultado de imagen de distillation water and alcohol picture





sábado, 9 de febrero de 2019

Mixtures: homogeneous and heterogeneous

A mixture is a substance made up of two or more types of matter that aren´t chemically combined.

There are two types: homogeneous and heterogeneous. 

Resultado de imagen de homogeneous mixture



Watch these videos and then complete the quiz. Good luck!!


Mixtures video
Homogeneous mixture
Heterogeneous mixture

lunes, 21 de enero de 2019

Reading comprehension practise

READING TIME

Practice your reading with these interactive activities. There are five types to choose:

  • Signs: There are 5 signs and you have to choose their meaning.
  • Details: True and false questions.
  • Matching: match the descriptions to a thing or a situation.
  • Gist: answer the questions. 
  • Gap: fill in the missing words. 
Click on the following link and... enjoy!!!

domingo, 20 de enero de 2019