OXFORD READ AND DISCOVER 6 Caring for our Planet.pdf
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Pobierz
Caring
for
OurPlanet
Ha
Joyc e n na m
Read d d isco ve a l l a b o u tc a r i n g o r o u r
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OurPlanet
Hannam
Joyce
3
Introduction
4
Resources
Carefu[[y
1 Using
Coo[ 8
2 Keeping Planet
Our
Electricityt2
Clean
3 Making
16
Travel
4 Reducing
20
Clean
Our
5 Keeping Planet
24
Ptants
5 Protecting
28
Animals
7 Protecting
32
WayForward
8 The
36
Activities
52
Projects
54
Glossary
AboutReadandDiscover 56
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With thanks to Ann |ullick fbr science
chc'ckine
An@ducffi@m
places.
Onour planetEarth
thereare manybeautiful
Sadty,
someof the thingsthat people aredamaging
do
We
our planet. mustcarefor it, to keepit safeandclean
for a[[ the plants,
animals, people
and
livinghere.
ptaces youseebetow?
Whatbeautiful
can
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Whatbeautiful
are
Howdo peopte
damage planet?
our
Howcanwe care ourptanet?
for
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well r)liilrirAc(ls()ufccs.
Nowread
more
anddiscover
ptanet!
rt caring ourbeautifut
for
Cameffiqilry
UsflnglBes@qffi@@s
WeAllNeed
Water
\7ater is one of the most important natural resources
on Earth.W'e need fresh water to drink, and we need it
to grow and cook food, and to wash. Plants, animals,
and people all need water to live.
About 70% of Earth is coveredwith water, but most
of this water is salt water in oceans.Peopleneed fresh
of
water to drink, but only about 3o/o Earth's water
is fresh water.
In some countries there isn't enough water.
Sometimes,people have to travel a long way
to collect water, or they move to a new place
where there is water.
givesus manynatural
Ourptanet
resources air
like
to breathe waterto drink.lt givesus plantsand
and
animals eat,andcoa[andoil to makeelectricity.
to
We needto usea[[ theseresources
careful[y.
Renewable
Resources
Some natural resources,
like water, sun, wind, soil,
animals, and plants, can replacethemselves
naturally.
They are called renewableresources.
They will not
run out if we don't use them too quickly. If we use
them carefully,we will have lots of these resourcesto
use for a long time.
/1
Non-
Renewa Resou
ble
rces
Sfe use fossil fuels like coal, gas, and oil in power
stationsto make electricity.\7e use electricity to power
lights. Refrigerators, televisions, and computers all
neecielectricity,too. Many people use electricity to
cook and to heat their homes.\(/e also use electricitv
to power some vehicles,and we use oil to make
gasolineto power cars and other vehicles.
The problem is that thesefossil fuels cannot be
replaced,so when we have used them all, they will
run out. They are called non-renewableresources!
and we are using them too quickly.
Pollution
Sometimeswe make our resourcesdirty. This is called
pollution.S(/e pollute the air when we use fossil fuels
to make energy like electricity.\Wepollute water when
we put waste into it. People,animals, and plants all
need clean air and water.
Can
What WeDo?
There are lots of ways we can help.'Wemust keep
water clean, and we must not waste it. Some charities
are helping people to collect and store water.They are
also building new dams, wells, and pumps, so that
people can have clean water nearer their homes.
We must use non-renewableresourcescarefully,
and we must not waste them. Scientistsare
mvesugaung ways
to use renewable
like sun,
resources,
wind, and water,
to make electricity
so that we don't
need to use so
many fossil fuels.
\il7ecan also try
to use less
electricity.
h V|AA7, fourcountries used most
the
that
the
36-37 for activities.
Goto pages
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