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Building and Construction Science Fair Project

Clogged Drains: Flat vs. Dome

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Clogged Drains: Flat vs. Dome | Science Fair Projects | STEM Projects
Have you ever seen a flooded street after a heavy rain? It's because water can't escape through the drain holes. This science project will compare flat and dome-shaped drain covers to see which one is better at keeping debris out of the drain holes.

Hypothesis

The hypothesis is that the dome-shaped drain cover will be less likely to become clogged by debris.

Method & Materials

You will set up a gutter with a drain hole, place two stools and two bricks underneath it, and pour pails of water mixed with different types of debris into the gutter. You will also cut two pieces of wire mesh to use as the flat and dome-shaped drain covers.
You will need a 2 meter long gutter with a drain hole, two stools, two bricks, four pails of water mixed with dried leaves, grass, soil, and plastic wrappers, a roll of wire mesh, a small bowl, a pair of scissors, and an empty pail.

Results

The results showed that the dome-shaped drain cover was more effective in stopping debris from entering the drain hole, while the flat drain cover was completely clogged by larger debris.

Why do this project?

This science project is interesting because it shows how different shapes of drain covers can affect the flow of water and debris.

Also Consider

Consider repeating this science project using different types of debris such as paper, rocks, broken branches, or sand. You can also repeat the experiment using cone-shaped, pyramid-shaped, or box-shaped drain hole covers.

Full project details

You can find additional information and details for this science fair project here. Have fun exploring!

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