Grade 7 Natural Science Term 3 Test 2 + Memo
About this resource
Help your Grade 7 learner prepare for their Term 3 Natural Sciences assessment with this 50-mark practice test, complete with a full memorandum. The test has a duration of 1½ hours and focuses on energy, heat transfer, insulation and electricity use.
The test covers:
- Renewable and non-renewable energy
- Kinetic and potential energy
- Law of conservation of energy
- Useful and wasted energy
- Conduction, convection and radiation
- Insulation and reducing heat loss
- Energy transfers and transformations
- Solar energy and solar water heaters
- Practical examples of energy in the home
- Electricity usage of household appliances
- Energy-saving methods
- Interpreting graphs and calculating electricity use
- Coal-fired power stations
- Electricity generation and transmission
The paper includes multiple-choice, matching, short-answer, calculations, graph interpretation and application-based questions. Learners also analyse a model solar water heater to apply their understanding of radiation, insulation and heat retention.
The final activities include an electricity-usage graph comparing common household appliances and a coal-fired power station diagram that learners must label using terms such as coal supply, steam line, transformer, transmission lines and water supply.
Total: 50 marks | Duration: 1½ hours | Full memorandum included | PDF format.
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