Pure+dead+brilliant

Explain the difference between a mixture and a compound. Give some examples of mixtures. Describe what a pure substance is. Recognise elements, compounds and mixtures from particle diagrams.
 * Objectives (what you will learn this lesson) **


 * Starter **
 * review completed work
 * key term quiz

> media type="file" key="ES8_Gc099_02ani.swf" width="640" height="480" > > - investigate different waters by following the guidelines in [|What sort of water?] > - look at the [|data]. Follow the instructions and plot your data as a stacked bar chart. After finishing discuss what are the advantages and disadvantages of a stacked bar chart compared to a pie chart. > > > - what different substances can be found it the air? > - what % of the air does each substance make up? > - what type of substance is each, e.g. element, atom, molecule and/or compound? > - what properties or uses does each substance have?
 * Activities **
 * 1) Look at the particle diagrams with another student. Dicsuss each one and make rough notes (back of your book) describing what each diagram shows in as much detail as you can. Now compare you answers with the rest of the class.
 * 1) If you found the last task difficult or are still a little confused then complete [|Pure dead brilliant]. If you found it easy and got most if not all answers right then attempt [|Pure substances and mixtures] instead. When you have finished check your work with the teacher before moving on.
 * 1) Is water pure? Discuss as a class. Now either:
 * 1) Read the statements in [|Element, mixture or compound?] and identify as many elements, mixtures and compounds as you can.
 * 1) Extension: Air is a mixture research about it and produce a report that you will present to the class. Put in as much relevant detail and fun facts as you can find. Finish your report by including a bibliography stating your sources. You are not limited to the following questions, but you must answer the following at some point:

Review completed classwork / key term quiz
 * Summary **

Download complete the gapfill on [|Pure dead brilliant], print-off and stick into your exercise book. You can copy and complete if you have a problem printing.
 * Homework **