OCR A Matter | GCSE Physics Online

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OCR A Matter

In science we use models to represent the world around us. The particle model is essential in understand how 'stuff' behaves and everything in chemistry!

Choose your topic:

The Particle Model

The Particle Model [FREE] - This explains a lot

Atoms [FREE] - Never trust an atom - they make up everything!

Density [FREE] - The amount of 'stuff' in a given space

Changes of States

States of Matter - Solids, liquids and gases, and changing from one to another

Specific Heat Capacity [FREE] - Linked to the thermal energy stored by an object

Heating and Cooling - The latent heat of a substance and the curves we can plot

Pressure

Gases - How particles cause pressure and how pressure and temperature are related

Gases - How pressure and volume are related

The Earth's Atmosphere - The thin layer of air that surrounds the Earth

Pressure - In fluids this causes a force at right angles to a surface

Upthrust - The force on a submerged object explained

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