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The Year 8 Course
In chemistry this year we will cover…
Unit 8E. Atoms and elements
- Everything is made up of Atoms which are the smallest particle which cannot be further chemically divided.
- There are currently 118 different known elements
- All elements fit onto the periodic table
- Elements are made up of only one type of atom
By the end of this topic you will be able to…
- Explain what matter is made up of
- Understand what an element is
- Know about several elements and use the periodic table to explain some properties
- Explain how the periodic table was designed
Unit 8F. Compounds and mixtures
- A compound is formed of two different elements chemically bonded together.
- The atoms in a compound cannot be separated without breaking bonds in the molecule
- Mixtures contain two or more substances not chemically bonded together.
By the end of this topic you will be able to…
- Explain the difference between an atom and a molecule, an element and a compound
- Know several important chemical formula
- Name many compounds by using a systematic method that scientists all over the world understand.
- Understand how reactions proceed.
Unit 8G. Rocks and weathering
- The earth is made up of several layers which have distinct properties
- The outer layer of the earth (the crust) is constantly moving and this gives rise to several natural phenomena
By the end of this topic you will be able to…
- Describe how the earth is currently made up
- Have an understanding of theories around how the earth was formed.
- Form opinions & theories about how the earth was formed.
- Use your scientific knowledge to explain a variety of geological events.
Unit 8H. The rock cycle
- There are three distinct types of rocks – Igneous, Metamorphic and Sedimentary
- Rocks change type over a very long period of time when broken down, subjected to pressure or heat.
By the end of this topic you will be able to…
- Describe how rocks transform from one type to another.
- Further understand how the earth was formed
Unit 8I. Heating and cooling
- Heat – can be transferred in three different ways.
- Convection currents transfer heat in Liquids and Gases
- In solids heat travels by conduction (particles vibrate next door to each other passing energy through the substance)
- Energy can be transferred through a vacuum by radiation
By the end of this topic you will be able to…
- Describe how heat travels in any substance.
- Use observations to explain further the particle model
- Carry out investigations to explain concepts learnt in the classroom.
TV Programmes to look out for!
BBC: Bang goes the theory,
(highly recommended!)Sky 1: Brainiac – Science Abuse
(worth watching)
Good Websites to look at for more help
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