11.6.1. Charcoal water filter

Try these first

1. 1.

   What is a charcoal water filter used for?

   Hint

   Think about the purpose of cleaning materials.

2. 2.

   Name two materials needed for a charcoal filter.

   Hint

   Recall the layers mentioned in class.

3. 3.

   What is the primary purpose of a charcoal water filter?

   • To store water
   • To purify water
   • To collect water

   Hint

   Focus on what filters do.

4. 4.

   True or False: Charcoal filters can be made using only sand.

   • True
   • False

   Hint

   Think about the materials needed.

5. 5.

   Create a detailed proposal for a community rainwater harvesting project that incorporates both charcoal and sand filters. Include materials, layout, and how the system will be maintained.

   Hint

   Consider the materials and space available in a community setting.

6. 6.

   Evaluate the effectiveness of charcoal filters in comparison to UV filtration for urban rainwater. Which might be better in terms of sustainability and why?

   Hint

   Think about energy use and resource availability.