WS01 - Water purification
Science, Year 7
- Science Report
Annotations
1. Uses scientific terminology to classify the mixture and identify its components.
2. Describes filter materials and explains their intended effects.
3. Explains in detail the function of charcoal in the filtration process.
4. Identifies a change in classification of the mixture as a result of filtration.
5. Describes step-by-step the procedure for filter preparation.
6. Records observations during separate trials in a table.
7. Describes in detail how the experimental design was modified, including the reasoning for each change.
8. Gives detailed observations of the results after modification.
9. Displays photographs with captions to illustrate the experimental set-up.
10. Uses scientific reasoning to explain observations.
11. Explains why the experiment was not a fair test and how this limits the insights that can be gained.
12. Recognises and analyses a design flaw of the filter.
13. Uses scientific reasoning to justify a proposed improvement to the design.
14. Uses evidence to support the conclusion.
15. Suggests improvements to the method, including additional steps to guarantee safe potability.