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Learning Combustion of Iron Wool: Predicting Mass Change

This practical work guides you to use a scientific model to explain the mass changes in iron wool during combustion. Predict what happens when iron wool combusts and draw diagrams illustrating the particle changes. Understand the reaction of iron with oxygen and its impact on mass.

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Learning Combustion of Iron Wool: Predicting Mass Change

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  1. Practical Work for Learning Combustion of iron wool

  2. You will be able to use a scientific model to explain what happens to the mass of iron wool during combustion Learning outcome

  3. What will happen when the iron wool combusts?Make your prediction. A B C ?

  4. Iron is a solid

  5. Draw diagrams to show the particles.

  6. Explaining the change in mass • Iron is a solid. • Oxygen is a gas. • Iron reacts with oxygen in the air to form a new compound called iron oxide. • During the reaction, the atoms of iron and oxygen combine together. • Iron oxide is a solid. It can be seen on the surface of the iron wool. • Because the oxygen has added to the iron, the iron wool is heavier than at the start.

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