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.

SCIENCE 3 UNIT 10

UNIT 10

La Ñora, Friday May 2^nd 2014.

Page 115.

2nd Copy and complete the chart to classify the vehicles in the photos.

Land	Sea	Air
cars trains buses lorries motorbikes vans bicycles metro trains	ferries cargo ships	planes helicopters

Page 116.

Do a survey of how you travel to school. Make a graph to display your results.

CAR: 4       MOTORBIKE: 1 ON FOOT: 8

by car	by motorbike	on foot	by bike

La Ñora, Friday May 13^th 2014.

1^st What common feature does land transport usually have?

Land transport usually has wheels.

2^nd What do you think is the most common form of land transport?

The most common forms of land transport are the bicycle and the car.

5^th Which form of land transport doesn’t cause noise and air pollution?

 The form of land transport which doesn’t cause noise and air pollution is the bicycle.

Page 117.

1^st What different forms of air and sea transport can you think of?

Air transport: planes, seaplanes and helicopters.

Sea transport: ferries and cargo ships.

4^th What form of public transport are there where you live?

In Murcia, there are tramways, trains, buses and taxis.

6^th Look at the photo on the right. Do you think using public transport is easy or difficult for this person? Why?

I think it is difficult because this person can’t walk and needs a wheelchair. It is difficult to move the wheelchair. And they need help to get on the transport.

Page 118.

1^st Identify forms of personal communication in photos a-d.

a)          Telephone.

b)         Face-to-face.

c)          Postal service.

d)         Email.

Page 119.

1^st Identify the forms of mass communication in photos a-e.

a)          A radio.

b)         A magazine.

c)          The Internet.

d)         Television.

e)         A newspaper.

2^nd What’s the difference between personal communication and mass communication?

     The difference between personal communication and mass communication is mass communication is used to send information to lots of people and personal communication is used with another person.

Page 120.

1^st What type of machines are computers?

A computer is a complex machine.

2^nd Copy and complete the sentence.

A computer stores, retrieves and processes information.

Page 121.

3^rd What is a responsible consumer?

A responsible consumer is a person who thinks before buying something. They buy only what they need.

Page 124.

1^st Copy and complete the word maps.

Forms of transport

On land	in the air	on water
Train bicycle motorbike bus car van lorry	plane helicopter	ship ferries ocean liners cargo ships

Forms of communication

personal communication	mass communication
telephone email face-to-face postal service	radio internet television newspapers magazines

2^nd Use the word map to copy and complete the sentences.

a)          Forms of transport can travel on land, in the air and on water.

b)         Forms of communication can be personal communication or mass communication.

3^rd True or false? Copy and correct the ones that are false.

a)          Ferries and cargo ships travel on land. FALSE

Ferries and cargo ships travel on water.

b)         Planes and lorries are forms of air travel. FALSE

Planes and helicopters are forms of air travel.

c)          Metro trains usually travel underground. TRUE

d)         Buses are a form of private transport. FALSE

Buses are a form of public transport.

e)         Motorbikes are a form of private transport. TRUE

4^th Which is the odd one out? Why?

a)          Postal service / email / radio / telephone

Radio is the odd one out because it is not a form of personal communication.

b)         Newspapers / telephone / television / internet

Telephone is the odd one out because it is not a form of mass communication.

5^th Order and copy the letters to find out what a computer does with information.

stores    retrieves          processes

6^th Order and copy the sentences about how televisions news is made.

Journalists and camera operators record and film important events and send information to editors.

An editor checks and prepares information for the newsreader.

The newsreader reads the news in the studio.

Television cameras film the news.

A transmitter sends signals to our televisions.

Our televisions receive this information and we can watch the news.

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SCIENCE 3 UNIT 9 - THE TOP LAYER OF EARTH

UNIT 9 – THE TOP LAYER OF EARTH

La Ñora, Thursday 3rd April 2014.

Page 105.

4^th What is soil made up of?

Soil is made up of particles of rock and minerals, air, water and humus.

5^th What is humus?

Humus is the remains of dead plants and animals.

6^th Why are animals important to soil?

Animals are important to soil because they help turn the dead plants and animals into humus.

7^th Where can we find soil?

We can find soil on the top layer of the Earth.

Page 106.

1^st What are the three layers of soil?

The three layers of soil are topsoil, subsoil and bedrock.

3^rd Copy and complete the chart.

Topsoil	Subsoil	Bedrock
decomposers insects	less water and air small rocks	bigger rocks little water and air

Page 107.

1^st What are the three types of soil? Describe their characteristics.

The three types of soil are fertile soil, poor soil and arid soil.

·     Fertile soil has lots of humus and water. Many plants can grow well in this type of soil.

·     Poor soil has little humus and water. It has more rocks than fertile soil. Only hard plants such as olive trees can grow in poor soil.

·     Arid soil has very little humus and water. It has lots of rocks or sand. Only very hardy plants, such as cacti can grow in arid soil.

Page 108.

2^nd Copy and complete the sentences.

a.  Plants and animals are important to the soil ecosystem.

b.                       Animals, such as snails eat dead plants and animals.

c. Decomposers living in the soil help turn plant and animal remains into humus.

Page 109.

1^st Look at the photos. Find objects made from these rocks and minerals in the kitchen.

ROCKS

The blackboard on the wall is made up of slate.

The kitchen worktop is made up of granite.

The floor is made up of marble.

MINERALS

The watch is made up of gold.

Salt on the table.

Pipes are made up of copper.

Pipes are made up of copper.

OTHER

The fridge (refrigerator) is made up of metal.

Forks, spoons, knives, pots, a sink and aluminum foil are made up of metal too.

Pages 112 and 113.

1^st Copy and complete the word map.

SOIL

TYPES	COMPONENTS	LAYER
fertile poor arid	rocks minerals humus air water	topsoil subsoil bedrock

2^nd Use the word map to copy and complete the sentences.

a.    Soil can be fertile, poor or arid.

b.   Soil is made up of rocks, minerals, humus, air and water.

c.    There are three layers in the soil. The top layer is called topsoil, the middle layer is called subsoil and the bottom layer is called bedrock.

3^rd Match and write the sentences.

a.          Fertile soil has lots of humus and water.

b.         Poor soil has a little humus and water.

c.          Arid soil has very little humus and water.

4^th In which type of soil do plants grow best? Why? Copy and complete the sentence with your answer.

Plants grow best in fertile soil because it has lots of humus and water.

5^th Copy and label the diagram of the soil.

topsoil

subsoil

bedrock

6^th Copy and complete the chart. Write the names of two types of rocks and minerals. How do we use them?

Rocks and minerals	Uses
slate granite marble gold salt copper	blackboards, roofs kitchen worktops floors watches, jewels food pipes, wires