2784442
Water Filter
- Gather materials
- Marbles
- Fabric Screen
- Aquarium Rocks
- Sponge
- Sand
- Fabric Screen
- Will prevent the sand
particles from
escaping into the
water
- Will prevent the sand
particles from
escaping into the
water
- Will filter the
tiniest particles
- Fabric Screen
- Will act as a
clarifying agent
- Sand
- Will filter the water
for smaller particles
- Sponge
- Will prevent the big
waste particles from
mixing with the rest
of the filtration
materials
- Aquarium Rocks
- Will filter
out large particles
- Fabric Screen
- Marbles
- The only source of water is
contaminated so we need to build a
water filter
- Make sure that materials are
easily accesible
- Gather materials
- Build filter
- Test filter
- Succeeded in choosing easily
accesible materials, but the
filtered water wasn't clean
- The water wasn't clear, colourless, or
ordourless
- Add cotton balls and take out
the marbles next time
- The cotton balls will soak up
dyes in the water and the
marbles weren't necessary
- The cotton balls will soak up
dyes in the water and the
marbles weren't necessary
- Add cotton balls and take out
the marbles next time
- The water wasn't clear, colourless, or
ordourless
- Succeeded in choosing easily
accesible materials, but the
filtered water wasn't clean
- Test filter
- Build filter
- Try to choose materials that
last a long time
- Gather materials
- Make sure that materials are
easily accesible
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