Sciences: Year Seven: Topic 6 - Mixing and separating substances

This article explains the basics of chemistry and details some of the processes used to separate mixtures. Click on the section, ‘Elements, Compounds, and Mixtures’ sections to read about the processes of chromatography, evaporation, distillation and filtration.

Read this article for a simple explanation of what it means by the chemical term ‘solution’ and how this relates to the processes of mixing and separating. The article is broken inno five different sections: Introduction, Mixing and Separating, Solutes and Solvents, Types of Solutions and Physical Changes and Solutions.
HINT- you can change the article’s reading level (2 or 3) to suit your understanding.

Learn about an instrument known as a ‘centrifuge’ which is used to separate two liquids mixed together.

Read/listen to the method of separating substances known as ‘chromatography’.

Read/listen to the method of separating substances known as ‘distillation’.

Read/listen to the method of separating materials known as ‘sublimation’.

In the search box type in the key words ‘Learning About Matter’.
The first item that will appear on the list is called: Learning About Matter. Click on this item to open the eBook. This nonfiction text explores the different states of matter using simple text, diagrams, photos and illustrations and experiments. Check out the sections titled Mixing Matter and Separating Parts of a Mixture for a closer look at the chemistry behind mixing and separating substances.