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Solutions, mixtures and their properties

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INFORMATION ABOUT THE SMALL IDEA

Particles > Structure and properties of matter > Solutions, mixtures and their properties 

A solution is a homogeneous mixture of two or more substances. The most abundant substance is called solvent while the other substances of the solution are called solutes. A mixture is a combination of substances which we can separate them apart using physical processes. In a solution, the substances are dissolved while in a mixture the substances are mixed up maintaining their physical properties.

Connection to Big Idea about the cell: The inner part of cells is a solution comprised of organic and inorganic molecules.

Connection to Big Idea about Earth: Solutions and mixtures exist everywhere on Earth. The oceans, and the atmosphere are examples of such solutions and mixtures. They are essential for the existence of life.


Subjects related: Chemistry

Age ranges: 10-11,11-12,12-13,13-14,14-15,15-16,16-17

 

About

PLATON is a two-year European project launched on September 2016. It aspires to provide teachers and school communities with a coherent teachers’ training framework which will update their current teaching practices. More particularly, PLATON aims to offer an open and innovative training framework to teachers of primary and secondary education which will focus on:

  • Promoting student-centred teaching approaches;
  • Promoting a holistic interdisciplinary approach;
  • Support the use of online educational tools;
  • Support the meaningful collaboration between teachers of the same school.

 

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