Sewage Pollution

What is the sewage network?

• The place where water is cleaned before being returned to rivers.

• The pipes that carry sewage (dirty water) from our houses to the sewage treatment plant.

• The place where all our sewage is cleaned.

• The place where water is cleaned before being returned to our taps.

What is a sewage treatment plant?

• The place where water is cleaned, filtered and tested before re-entering the water cycle.

• The place where water is cleaned, filtered and tested before going to our houses.

• The network of pipes that carry sewage (dirty water) from our houses.

• The place where water is bottled for drinking.

What type of living things eat the organic matter in the sewage?

• Plants

• Animals

• Bacteria

• Fungi

What happens to the sewage at the inlet works?

• The organic matter is eaten by bacteria.

• The sludge and solids are separated from the liquid.

• It is screened to remove unwanted objects like baby wipes etc.

• It is filtered and disinfected.

Where is the sludge and solids separated from the liquid?

• Inlet works

• Clarifyers

• Sewage treatment plant

• Bio reactor

Tags

NGSS.MS-ETS1-2

What happens MANY times before the water can be returned to the water cycle?

• It is cleaned.

• It is disinfected.

• It is filtered.

• It is checked.

Tags

NGSS.MS-ESS2-4

When the water is clean where is it returned to?

• Our taps.

• The sea.

• The river.

• The reservoir.

Tags

NGSS.MS-ESS2-4

Which is the correct order for these three processes of sewage treatment? (disinfection, inlet works and bio reactor)

• 1. inlet works, 2. disinfection 3. bio reactor
• 1. bio reactor, 2. disinfection 3. inlet works
• 1. inlet works, 2. bio reactor 3. disinfection
• 1. disinfection, 2. bio reactor 3. inlet works