Cambridge Secondary (7-9). Stage 9. MCE Science. Workbook - Unit 2: Excretion - Question 8

In the investigation, water mixed with beans, soil and glitter is filtered through a sieve and then paper towel; this is repeated until it is as clear as possible. Tick (✓) the statement that best describes your water after the investigation.
- My water is perfectly clear and free of all other substances.
- My water is clear, but some substances/particles remain.
- My water is as dirty as it was when I started.