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Science at key stage 3    (Year 9)

Unit 9H: Using chemistry
Section 6: Checking progress

QCA

Objectives
Children should learn:
  • how chemical reactions are used

Activities

Outcomes
Children:
  • Provide pupils with statements, eg
    • Chemical reactions can be used as energy resources
    • Chemical reactions are used to make new materials
    • Chemical reactions are important in biological systems
  • Give pupils a variety of information, eg description of photosynthesis, description of a plastic, diagram of a voltaic cell, word equations, symbol equations, and ask them to agree to which statement each piece of information is best assigned, and to identify whether any can be assigned to more than one category. Help pupils to make a summary illustrating the important uses of chemical reactions in everyday situations.
  • identify the uses of particular chemical reactions
  • describe the range of uses of chemistry in everyday situations

Points to note
  • This activity provides the opportunity to draw in other aspects of chemical reactions for revision and consolidation.

Sections in this unit

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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. a. What chemical reactions take place when fuels burn?
2. b. What chemical reactions take place when fuels burn?
3. b. How else are chemical reactions used as energy resources?
4. How else are chemical reactions used as energy resources?
5. What types of new material are made through chemical reactions?
6. Checking progress
7. a. What happens to atoms and molecules when new materials are made?
8. b. What happens to atoms and molecules when new materials are made?
9. c. What happens to atoms and molecules when new materials are made?
10. d. What happens to atoms and molecules when new materials are made?
11. Reviewing work