Acid Rain8A1

Thursday 11 December 2014

Learning Intentions

At the end of this lesson, you will be able to:

Describe how acid rain is formed

Identify some of the effects of acid rain on the environment

Come up with and answer a research question about acid rain

DO NOW

Using your knowledge of acids and bases, predict what will happen when a dilute acid is dropped on limestone (calcium carbonate)

Acid Rain Effects on Sculptures

1908 1969

Combustion Conundrum (p.35)Results

Colour of universal indicator: _____________________ pH: _______________

Conclusion

Burning the match head released chemicals like _______________ dioxide and

carbon dioxide. These chemicals dissolve in water to form __________________

solutions.

A similar thing happens when _____________ fuels are burnt in power stations

and vehicles. Rain is naturally acidic (~pH 5.0) but human activities have

made it worse.

Acid rain causes problems by increasing the rate of erosion of buildings and

______________. It can lead to the death of trees by damaging their ___________

and limiting the nutrients they can extract from the soil. Acid rain has been

known to poison entire lakes in some parts of Scandinavia.Statues Acidic LeavesFossil Sulphur

What is Acid Rain?

Based on your observations from this demonstration, what do you think acid rain is?

What causes it?

Acid Rain

Acid rain is clean rain that is contaminated by pollutants in the air.

Pollutants can range from burning of fossil fuels and coal, factory pollution, smoke, sulfur dioxide, nitrogen oxide, and natural gases.

Formation of Acid Rain

Acid Rain and Plants

What do YOU want to know?? Think of a question you have about acid rain

Questions could be things like: Is it all based on human activity?

What are the effects of acid rain on the a specific ecosystem?

Is there acid rain in Northern Ireland?

Use the computer to research the answer Create a poster to teach the rest of the class about your

question Posters should include:

Your question

A picture or graphic

The answer (or answers) to your question