Section 1: a. What chemical reactions take place when fuels burn?
Children should learn:
- that fuels burn and release energy
- that when fuels containing hydrogen and carbon burn, water, carbon dioxide and sometimes carbon monoxide and carbon are formed
- to evaluate advantages and disadvantages of a fuel
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Section 2: b. What chemical reactions take place when fuels burn?
Children should learn:
- to apply knowledge and understanding of burning to an everyday context
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Section 3: b. How else are chemical reactions used as energy resources?
Children should learn:
- that other chemical reactions can be used as sources of energy
- about ways in which these reactions can be used
- about the effect of different aspects of formality in writing,
eg passive verbs, third person, abstract nouns
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Section 4: How else are chemical reactions used as energy resources?
Children should learn:
- that displacement reactions involving metals produce energy
- that the energy from these reactions can be used
- to link energy produced in displacement reactions to differences of reactivity of metals
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Section 5: What types of new material are made through chemical reactions?
Children should learn:
- about the range of materials made through chemical reactions
- about the stages of development of a new product
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Section 6: Checking progress
Children should learn:
- how chemical reactions are used
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Section 7: a. What happens to atoms and molecules when new materials are made?
Children should learn:
- to use preliminary work to decide on appropriate apparatus
- that mass is conserved in chemical reactions
- that atoms combine in different ways as a result of chemical reactions
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Section 8: b. What happens to atoms and molecules when new materials are made?
Children should learn:
- that when gases are formed in reactions, mass may appear to decrease because the gas escapes
- that mass is also conserved in dissolving and changes of state
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Section 9: c. What happens to atoms and molecules when new materials are made?
Children should learn:
- that the oxide weighs more than the element from which it was made
- to plot a graph and use it to obtain quantitative data
- that predictable masses of the oxide can be formed from given masses of magnesium
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Section 10: d. What happens to atoms and molecules when new materials are made?
Children should learn:
- that carbon dioxide and water are formed when a compound containing both carbon and hydrogen is burned
- that the carbon dioxide and water formed escape into the atmosphere
- that mass is conserved when materials burn
- to select relevant information and link it to other information
- that sometimes new evidence requires changes to theories
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Section 11: Reviewing work
Children should learn:
- to recognise the variety in chemical reactions
- to make some generalisations about reactions
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