Aug 10, 2025 · The filtration materials (small stones, ballast, gravel, sand, and cotton) are what you manipulate to purify water, making them the independent variable. The resulting water …

In your project, the **clarity of filtered water** is both a dependent variable and a responding variable since it is the main outcome you are measuring in response to the different filter …

Oct 4, 2025 · Certain readily available natural materials like sand, gravel, and activated charcoal naturally help filter water, removing impurities and contaminants through physical and …

Step 3: Variables Independent Variable: The cleanliness of the water. Dependent Variable: The unsafe materials left in the water. Controlled Variable: The amount of charcoal, sand and …

The solution to hard water is either to filter the water by distillation or reverse osmosis to remove the calcium and magnesium, or to use a water softener. Filtration would be extremely …

Students discovered that the combination of particles with the longest infiltration rate filtered the water the best (produced the cleanest water). Now think about pavement, where there is zero …

Dec 12, 2023 · The dependent variable in a water filtration experiment is the quality of the filtered water, measured through indicators like contaminant levels, turbidity, and pH.

The experiment showed that the Two-Step Modular Filter resulted in the cleanest water, with the lowest TDS levels. This supports the hypothesis that a multi-stage filtration process would be …

Jun 9, 2023 · It also discusses the remediation methods using natural materials such as clay, activated carbon, zeolites, sand, rice husk, chitosan, hydroxyapatite, LECA, to combat the …

Apr 28, 2025 · The water filtration material or method that should be chosen depends on the specific needs of the water filtration system. Multi-stage filtration methods are the most robust …