Man and nature - MT 11

• English language
• Secondary Education

Man and Nature

How many seasons of the year do you know? Name them.

How many seasons of                  the year do you                                                                                       know? 

                       Name them. 

Spring

• Begins on 21st March
  
• Nights get shorter and days get longer
  
• First flowers appear: snowdrops, snowflakes, yellow marsh marigold, dandelions, daffodils, blue forget-me-nots, tulips
  
• Floods (snow melts)
  

Name this flower. 

Name this flower. 

Name this flower. 

Name this flower. 

Name this flower. 

Name this flower. 

Summer

• Begins on 21st June
  
• Temperature rises
  
• Sunny and warm
  
• Rain often comes in the form of the storm
  
• Time for strawberries, bilberries, raspberries, blackberries, cranberries
  

Summer activities

Autumn

• Begins on the 23rd September
  
• Days get shorter
  
• Indian summer – few fine days
  
• Time of harvest – we pick apples, pears, plums, potatoes
• Many people go mashrooming
• Becomes damp, chilly, wet, rainy, it may drizzle
  

• Leaves of maple, ashes, beeches, oaks, birch and larches – become tinted yellow, orange, brown and red and make a contrast with evergreen conifers like pines, firs and spruces
• Birds – journey to the south

Which trees were mentioned before?

Winter

• Comes on December 21st
  
• Snowfall, icy wind, hand frost
  
• Hills covered with a thick layer of fluffy snow
  
• Snowdrifts along the roads – roads become icy
  
• Children : throwing snowballs, building snowmen, sledging sliding, skating on lakes, skiing, snowboarding
  
• Icicles
  

Name winter activities

Which holidays are celebrated during winter?

Ecological problems of today

Acid rain

Ozone hole

Greenhouse effect

Polllution of water, land and air

Ozone hole

Depletion of this layer by ozone depleting substances (ODS) will lead to higher UVB levels, which in turn will cause increased skin cancers and cataracts and potential damage to some marine organisms and plants.

Describe

Acid rain

Rainfall made so acidic by atmospheric pollution that it causes environmental harm, chiefly to forests and lakes. The main cause is the industrial burning of coal and other fossil fuels, the waste gases from which contain sulphur and nitrogen oxides which combine with atmospheric water to form acids.

Air pollution

• Becomes polluted when fumes poison the air.
• Caused by factories and traffic – caused by smoke, dust, emissions, exhaust fumes.

Water pollution

• becomes polluted when waste poisons water
  
• It´s caused by the houselholds, factories and agriculture – we use detergents, fertilizers, pesticides and other chemicals
  
• Can be caused by big cargo ships and tankers (when oil gets into ocean)
  

Soil/land pollution

• Becomes polluted when waste materials poison the ground
  
• It can be contaminated by chemicals or by individuals (we throw out our rubbish)
  

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How can we protect environment?