Man and nature - MT 11

Man and Nature
1 / 27
suivant
Slide 1: Diapositive
English languageSecondary Education

Cette leçon contient 27 diapositives, avec quiz interactifs et diapositives de texte.

time-iconLa durée de la leçon est: 90 min

Éléments de cette leçon

Man and Nature

Slide 1 - Diapositive

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


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

Slide 2 - Diapositive

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)

Slide 3 - Diapositive

Name this flower. 
Name this flower. 

Slide 4 - Diapositive

Name this flower. 
Name this flower. 

Slide 5 - Diapositive

Name this flower. 
Name this flower. 

Slide 6 - Diapositive

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

Slide 7 - Diapositive

Summer activities

Slide 8 - Carte mentale

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

Slide 9 - Diapositive

  • 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

Slide 10 - Diapositive

Which trees were mentioned before?

Slide 11 - Question ouverte

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

Slide 12 - Diapositive

Name winter activities

Slide 13 - Carte mentale

Which holidays are celebrated during winter?

Slide 14 - Question ouverte

Ecological problems of today


Acid rain
Ozone hole
Greenhouse effect
Polllution of water, land and air

Slide 15 - Diapositive

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.

Slide 16 - Diapositive

Describe

Slide 17 - Diapositive

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.

Slide 18 - Diapositive

Slide 19 - Diapositive

Slide 20 - Diapositive

Slide 21 - Diapositive

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

Slide 22 - Diapositive

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)

Slide 23 - Diapositive

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)

Slide 24 - Diapositive

Slide 25 - Diapositive

Slide 26 - Lien

How can we protect environment?

Slide 27 - Carte mentale