Economic activity
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Economic Activity. Many different people make their living by doing different types of jobs. These jobs are called economic activities. Keywords. Primary Secondary Tertiary. Primary Economic Activities. 3FM – Farming, Forestry, Fishing, Mining.

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Economic activity

Economic Activity

Many different people make their living by doing different types of jobs. These jobs are called economic activities


Keywords

Keywords

  • Primary

  • Secondary

  • Tertiary


Primary economic activities

Primary Economic Activities

  • 3FM – Farming, Forestry, Fishing, Mining.

  • Primary activities are activities where people get natural resources.


Secondary economic activities

Secondary Economic Activities

  • People make or manufacture products or goods that we buy.

    e.g. bakery, furniture making, making clothes, making computers.


Tertiary economic activities

Tertiary Economic Activities

  • Any job that involves somebody providing a service.

    E.g Teachers, bus driver, hair dresser


Class activity

Class Activity

In your pairs work together to decide if the

following are primary, secondary or

Tertiary economic activities.

Taxi driver, shipyard worker, TD, farmer,

shop assistant, mechanic, forestry worker,

chimney sweep, doctor, plumber, fisherman,

pop singer.


Natural resources

Natural Resources

  • Provided by nature.

  • Two types

  • Renewable

  • Non-renewable.


Renewable resources

Renewable Resources

  • Non finite resources

  • Resources can be used over and over again with careful management.

  • They include water, solar energy and fish.


Non renewable resource

Non – Renewable Resource

  • Finite resource

  • Once these resources are used they can not be used again. They include coal, oil and peat.


Sustainable exploitation

Sustainable Exploitation

  • Present generation uses a resource for its needs without placing the needs of future generations at risk.

  • E.g. cutting down trees but planting new trees to replace them.


Activity

Activity

  • Open page 3 of your book. Complete the exercise in pairs.


What did you learn today

What did you learn today?


The water cycle

The water cycle

Water: a renewable resource


The water cycle keywords

The Water Cycle Keywords

Evaporation

Condensation

Cloud

Percipitation

Run Off


Water

Water

Water is a basic natural resource needed to maintain human and animal life and to grow food

It is a renewable resource


The water cycle1

The Water Cycle

Run Off


Important terms

Important terms

1. Evaporation – Water transferring from the ground into water vapour in the air.

2. Condensation – Water vapour in the air turning back into a liquid.


Economic activity

3. Cloud – Water droplets are held in the air in the form of clouds.

4. Precipitation – Water that falls to the ground in the form of Hail, Rain, Sleet, or Snow.

5. Run – off – Water running over the ground back to the sea.


Activity1

Activity

  • Draw and explain the water cycle into your copies.

  • Water cycle song

  • http://www.youtube.com/watch?v=o3BVa7PH_JE&feature=youtube_gdata_player

Water Cycle song


How do we use water

How do we use water?

In groups discuss the various ways in which we use water?

Is water important to us?


How do we abuse our water

How do we abuse our water?

Water is a renewable resource but sometimes people abuse this resource.

Can you think of any way in which humans abuse our water.


How do we conserve water

How do we conserve water?

Businesses can be charged water rates. Some can be metered which means the more water they use the more they pay.

Some toilets, dishwashers and washing machines have been fitted with devices to use water more efficiently.

Some industries recycle water

TV and radio campaignshave urged consumers to conserve water.


Supplies of water in ireland

Supplies of Water in Ireland

Before the water is used it goes through many processes

The water is collected

It is stored in reservoirs

The water is treated to make it safe


Economic activity

In Ireland water is supplied by

The local authorities e.g county councils or city cooperations

Co-operative water schemes – groups of households coming together to provide their own water.

Some houses have a well on their property


Dublin s water supply

Dublin’s Water Supply

Three reservoirs – Leixlip, Vartry reservoir and Poulaphouca reservoir.

Poulaphouca Reservoir

Co. Wicklow

Mountaneous region and recieves high

levels of rainfall.

Impermeable rock – does not allow water to pass through

it.

This is ideal for the collection of rainwater.

The river liffey also provides water.

Water treatment plant is in Ballymore Eustace, Co. Kildare.

The treated water is piped to reservoirs and then piped to houses and business.


Today s class irrigation

Today’s Class - Irrigation

Keywords

Irrigation

Drought

Central Valley Project California

Sacramento River

San Joachin Valley


Irrigation

Irrigation

Irrigation is the artificial watering of the land.

There are 3 main ways of irrigating the land

Sprinklers and canals

Flooding whole areas

Boring wells to use ground water.


Example of an irrigation scheme central valley project california usa

Example of an Irrigation Scheme: Central Valley Project, California USA

Mediterranean Climate – hot dry summers with almost no rain in June, July and August. Temps 30°C

Winters are mild and wet (8°C)

California suffers from drought – long period of time with no rain.

Agricultural land is in the south end of California in the San Joachin Valley. There is a little supply of water.

In the north there is the Sacramento River, where there is a large supply of water.


The central valley project

The Central Valley Project

1935

Plan was to move water from the wetter northern end of the Central Valley Project to the dry southern end.

Dams and reservoirs were built across the Sacramento River.

Canals were built to transfer this water southwards to the San Joachin Valley.

Water is stored during the winter months and used in the summer.


Central valley project

Central Valley Project

http://www.youtube.com/watch?v=dWzEQxD_zGs

http://www.youtube.com/watch?v=dWzEQx


Advantages

Advantages

During hot, dry summers water is used to irrigate land.

Generates hydroelectric power which is used to pump water through the canals to the San Joachin Valley

The cities and towns receive a regular supply of water.

The reservoirs behind the dams are used for tourist and leisure activities.


Disadvantages

Disadvantages

Dam construction and running dams is very expensive

High temps in California which results in high rates of evaporation. The water that is left has a high salt content which can poision crops.

Some farmland was flooded to create the dams. Farmers and their families had to move away.


We have learnt

We have learnt…….

The water cycle

The supply of water

The uses and abuses of water

Irrigation Schemes

Central Valley Project California


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