# Unit Overview: Particle Model of Matter

National Curriculum

For next step we recommend the unit: Particles.

## Lessons:

13 lessons

### Particle models

In this lesson we will recap key stage 3 knowledge of the 3 states of matter and relate this to particle models.

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### Density of solids

In this lesson we will define density and introduce the equation for calculating density, mass and volume.

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### Density required practical

In this lesson we will look at how to carry out an experiment to find the density of regular and irregular objects.

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### Density of liquids

In this lesson we will look at how to calculate the density of liquids. We will then look at how to carry out an experiment to find the density of a liquid.

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### Internal energy

In this lesson we will look at internal energy and the two stores of energy that it depends on. We will look in greater detail at the effect of heating a substance and how the energy stores change.

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### Heating and cooling substances

In this lesson we will look at how the internal energy of substance changes when heated and cooled. We will then calculate the energy change when a substance changes temperature.

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### Latent heat

In this lesson we build on our knowledge of changes of state and heating and cooling substances to define latent heat, We will then look at calculations involving latent heat.

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### Multi-Step energy calculations

In this lesson we will look at how to solve energy problems involving both specific heat capacity and latent heat.

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### Gas pressure

In this lesson we will use the particle model to explain gas pressure. We will then look at how temperature affects gas pressure.

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### Pressure and volume (Part 1)

In this lesson we will look at how gas pressure and volume are related. We will use the particle model to explain how a change in one can cause a change in the other.

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### Pressure and volume (Part 2)

In this lesson we will continue looking and gas pressure and volume and learn how to solve problems involving pressure and volume.

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### Review (Part 1)

In this lesson we will consolidate our understanding of physic ch.3 - the particle model of matter. We will look at states of matter, the particle model of matter, internal energy, latent heat and gas pressure.

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### Case study: Joseph Black

In this lesson we will learn about the life of Joseph Black and his contribution to our understanding of specific latent and specific heat capacity.

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