Water Pollution- IDU

__________________ is the contamination of air, land, and water.

• 
  Conservation

• 
  Ecology

• 
  Pollution

What causes pollution?

• 
  Human activities

• 
  

  Trees

• Both of these

• 
  None of these

We should always celebrate festivals in an eco friendly way.

• 
  I strongly disagree

• 
  

  I agree

• I strongly agree

• 
  

  I don't know

Which of the following is not a natural cause of water pollution?

• 
  Volcanoes

• 
  

  Animal waste

• 
  Oil spills

• Silt from storms and floods

What can happen to fish when there is not enough oxygen in the water?

• 
  They can suffocate

• 
  They can't float

• 
  They can't see

• 
  

  Nothing. Fish don't need oxygen.

Water pollution can cause ___________ to our environment.

• increase

• 
  decrease

• 
  damage

Oil, spilled by tankers and oil wells, pollutes ____________.

• River water

• 
  Sea water

• Lake water

• Underground water

Why do we need to manage the garbage we produce?

i)To improve the health and quality of life

ii)For preventing environmental pollution

iii) To produce more biodegradable plastics

iv) To reduce the strain on natural resources

• 
  i and iv

• 
  

  iii and ii

• 
  i, ii and iii

• 
  i,ii and iv

What is one way you and your family can help to conserve water at home?

• 
  watering the garden at the hottest time of the day

• turning off the faucet (tap) while brushing your teeth

• 
  using the longest cycle to wash clothes

• letting the water run while washing dishes

Sludge run off from factories and industries is an example of _______ pollution.

• Air

• Land

• Water