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Concept of density. This YouTube video will provide information about the concept of density. It’s great to use as an introduction to the topic or as a way to summarise the topic.

In this unit you will learn:

• About the turning effect of forces
• Turning effects are called moments
• Understand that regular and irregular shaped objects have a centre of gravity
• An objects centre of gravity determines if it is in a stable, neutral, or unstable equilibrium

Outcomes

In this unit you will learn that: 

• Osmosis is the movement of a liquid from an area of high concentration to an area of low concentration until it reaches equilibrium.