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Diffusion

These downloadable videos and animations are part of the multimedia package Stuff and Substance, developed by the Gatsby Science Enhancement Programme (SEP). They can be used to develop ideas relating to the intrinsic motion of particles and diffusion phenomena involving the liquid and gas states.

Due to the...

Chromatography

These downloadable videos and animations are part of the multimedia package Stuff and Substance, developed by the Gatsby Science Enhancement Programme (SEP). They can be used to develop ideas relating to paper chromatography as a method for separating mixtures.

Paper chromatography can be used to separate...

Melting and Freezing

These downloadable videos and animations are part of the multimedia package Stuff and Substance, developed by the Gatsby Science Enhancement Programme (SEP). They can be used to develop the idea of a substance as a kind of ‘stuff’ which has a definite melting point.

The idea of a melting point can be...

Substances Changing: Reaction at Room Temperature

These downloadable videos and animations are part of the multimedia package Stuff and Substance, developed by the Gatsby Science Enhancement Programme (SEP). They can be used to develop the idea of chemical change by showing reactions that take place spontaneously at room temperature.

These resources use...

Substances Changing: Reaction on Heating

These downloadable videos and animations are part of the multimedia package Stuff and Substance, developed by the Gatsby Science Enhancement Programme (SEP). They can be used to develop the idea of chemical change by showing a reaction that takes place on heating to a higher temperature.

These resources...

Substances Changing: Reaction in Solution

These downloadable videos and animations are part of the multimedia package Stuff and Substance, developed by the Gatsby Science Enhancement Programme (SEP). They can be used to develop the idea of chemical change by showing reactions that takes place between substances in solution.

Many chemical reactions...

Substances Changing: Decomposition

These downloadable videos and animations are part of the multimedia package Stuff and Substance, developed by the Gatsby Science Enhancement Programme (SEP). They can be used to develop the idea of chemical change by showing that in some reactions substances decompose.

Chemical changes often involve two...

Substances Changing: Dehydration

These downloadable videos and animations are part of the multimedia package Stuff and Substance, developed by the Gatsby Science Enhancement Programme (SEP). They can be used to develop the idea that some crystals incorporate water molecules within their structures.

Whether the change from hydrated copper...

Fire: Combustion or Decomposition?

These downloadable videos and animations are part of the multimedia package Stuff and Substance, developed by the Gatsby Science Enhancement Programme (SEP). They can be used to develop ideas relating to the distinction between combustion and decomposition in the context of ‘burning’ materials.

Combustion is...

The Gas State

These downloadable videos and animations are part of the multimedia package Stuff and Substance, developed by the Gatsby Science Enhancement Programme (SEP). They can be used to predict the possibility of the gas state with the particle model and understand that ‘gases’ are substances which happen to have boiling...

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