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Schemes of Work
QCA

Science at key stage 3    (Year 7)

Unit 7F: Simple chemical reactions

QCA

Objectives

Section 1: What is a chemical reaction?
Children should learn:
  • to make and interpret observations

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Section 2: a. How do acids react with metals?
Children should learn:
  • how to carry out a test for hydrogen
  • that acids can be corrosive
  • that acids react with some metals to produce new substances, including hydrogen

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Section 3: b. How do acids react with metals?
Children should learn:
  • to record relevant observations
  • to identify and describe patterns in qualitative data
  • to identify results which do not appear to fit the pattern

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Section 4: How do acids react with carbonates?
Children should learn:
  • how to carry out a test for carbon dioxide
  • to produce new substances, including carbon dioxide
  • to identify and describe patterns in qualitative data
  • to generalise from their observations

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Section 5: What new substances are made when materials burn in air or oxygen?
Children should learn:
  • that burning requires oxygen
  • that new substances, usually oxides, are formed when materials burn
  • to use appropriate scientific terminology and conventions
  • how to carry out combustion reactions safely
  • to identify and note key points
  • to group sentences into coherent paragraphs with subheadings as appropriate

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Section 6: Checking progress
Children should learn:
  • that new materials are made during chemical reactions
  • that the products of a reaction can be deduced from the reactants

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Section 7: What is produced when fuels burn?
Children should learn:
  • that fuels are substances that release energy when they burn
  • that fossil fuels are rich in compounds containing carbon
  • that burning fossil fuels results in the production of carbon dioxide
  • that natural gas is called methane, and carbon dioxide and water are produced when it burns

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Section 8: What is needed for things to burn?
Children should learn:
  • that part of the air is used up during burning
  • to suggest and evaluate explanations
  • to suggest how to test an idea
  • to produce a line graph from results and to draw conclusions from these
  • to collaborate with others to share information and ideas, and to solve problems

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Section 9: Reviewing work
Children should learn:
  • to identify key points about reactions of acids with metals, acids with carbonates and burning
  • to group points together to make a summary

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Sections in this unit

This unit is divided into sections. Each section contains a sequence of activities with related objectives and outcomes. You can view this unit by moving through the sections or print/download the whole unit.
1. What is a chemical reaction?
2. a. How do acids react with metals?
3. b. How do acids react with metals?
4. How do acids react with carbonates?
5. What new substances are made when materials burn in air or oxygen?
6. Checking progress
7. What is produced when fuels burn?
8. What is needed for things to burn?
9. Reviewing work