What happens when fuels are burnt?
In this lesson, we will learn about fuels and how they release energy in combustion reactions. We will also use word equations to describe these reactions.
What happens when fuels are burnt?
In this lesson, we will learn about fuels and how they release energy in combustion reactions. We will also use word equations to describe these reactions.
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Lesson details
Key learning points
- Define what is meant by fuel and combustion
- Represent combustion reaction using word equations
- Describe the impact of burning fuels on the environment
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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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5 Questions
Q1.
A life cycle assessment looks at the environmental impact of an object when it is made and used.
True
Q2.
What is a finite resource?
A resource that does not produce pollution
A resource that is not likely to run out
A resource that produces pollution
Q3.
Why is it useful if materials can be reused?
They break down quickly in the environment
They can be made into new, useful materials
They don't produce pollutants
Q4.
Why is it useful if materials can be recycled?
Less materials need to be made preserving raw materials
They break down quickly in the environment
They don't produce pollutants
Q5.
Why is it useful if materials are biodegradable?
Less materials need to be made preserving raw materials
They can be made into new, useful materials
They don't produce pollutants
5 Questions
Q1.
Coal is an example of a renewable resource.
True
Q2.
The three fossil fuels are:
Coal, natural gas and wood
Coal, oil and wood
Oil, natural gas and wood
Q3.
What are the reactants in combustion?
Carbon dioxide and oxygen
Carbon dioxide and water
Fuel and carbon dioxide
Q4.
What are the products of combustion?
Carbon dioxide and oxygen
Fuel and carbon dioxide
Fuel and oxygen
Q5.
What is a pollutant?
A substance that can be burned to release energy
A substance that is made in a reaction
A substance that is used in a reaction