SCIENCE 3 UNIT 11

UNIT 11: WORK

La Ñora, Thursday May 22nd 2,014.

Page 127.

2^nd Why do people have jobs?

People have jobs to earn money.

3^rd Copy and complete the sentences to classify the jobs.

primary sector	secondary sector	tertiary sector
farmer miner fisherman	builder craft worker factory worker	doctor hairdresser office worker retail assistant taxi driver teacher tourist guide

Page 129.

1^st Why science is important in farming?

Science is important in farming because arable farmers need to know what kinds of crops will grow well in their soil and how to look after these crops.

2^nd Look at the pictures above and write sentences.

We use wheat to make bread.

We use corn to make cereal.

We use olive trees to make olive oil.

We use rice to make paella.

4^th What’s the difference between dry crops and irrigated crops?

The difference between dry crops and irrigated crops is that dry crops need just rainwater.

Dry crops need less water than irrigated crops. Irrigated crops need more water than dry crops.

Page 130.

1^st Can you remember the different products we get from farm animals?

Milk and diary (cheese and yoghurt), meat, skins, leather, fur, eggs, sausages, ham...

2^nd Look at the photos  a-d and identify the types of livestock farming.

a)          Intensive poultry farming.

b)         Intensive cattle farming.

c)          Free-range pig farming.

d)         Free-range sheep farming.

Page 131.

1^st What are the differences between coastal fishing and deep-sea fishing?

Coastal fishing	Deep-sea fishing
It happens near the coast.	It happens a long way from the coast.
The fishermen go out to sea every day in small boats.	The fishermen go out to sea for weeks or months in bigger boats.
They return to sell the fresh fish in fish markets.	They freeze and store the fish on the boats so they can sell them when they return.

Coastal fishing happens near the coast. The fishermen go out to sea every day in small boats. They return to sell the fresh fish in fish markets.

Deep-sea fishing happens a long way from the coast. The fishermen go out to sea for weeks or months in bigger boats. They freeze and store the fish on the boats so they can sell them when they return.

3^rd What natural resources do miners take from the Earth?

Miners take from the Earth rocks and minerals, such as coal, stone, salt and even gold.

Page 132.

1^st What are the difference between products made by craft workers and products made by industrial workers?

The difference between products made by craft workers and products made by industrial workers is that industrial workers do the stuff in factories and with machines and craft workers do the stuff with their hands and simple tools.

Industrial workers use machines and craft workers use simple tools or their hands.

Craft workers use their hands or simple tools to make manufactured products and industrial workers use machines to make these products.

Products made by craft workers are unique. This mean that each object is different.

Products made by industrial workers are mass-produced. This means that lots of products are made very quickly and they are all the same.