Kód ITMS projektu: 26110130519
Gymnázium Pavla Jozefa Šafárika – moderná škola tretieho tisícročia
Water
Vzdelávacia oblasť:
Jazyk a komunikácia
Predmet
Anglický jazyk
Ročník, triedy:
IV.OA
Tematický celok:
Voda
Vypracoval:
Ing. Diana Matisová
Dátum:
12.2013
WATER FACTS
• The existence of water is essential for life on Earth.
• Water is made up of two
elements, hydrogen and oxygen. Its chemical formula
is H2O.
• Water has three different states, liquid, solid and gas.
• The word water usually refers to water in its liquid
state. The solid state of water is known as ice while
the gas state of water is known as steam or water
vapor.
• Water covers around 70% of the Earth’s surface.
• Water from a sea or ocean is known as seawater.
On average, every kilogram of seawater contains
around 35 grams of dissolved salt.
• The freezing point of water lowers as the amount
of salt dissolved in at increases. With average
levels of salt, seawater freezes at -2 °C.
• Water in the form of ice is found at the polar ice
caps of the planet Mars, some scientists have
also suggested the possibility of liquid water on
the red planet.
• Pure water has no smell and no taste, it also
has a pH level around 7.
• While most people know that water boils at
100 °C (212 °F), this is at the normal
conditions of sea level. The boiling point of
water actually changes relative to the
barometric pressure. For example, water boils
at just 68 °C (154 °F) on the top of Mount
Everest
• The longest river in the world is the Nile
River, it reaches 6650 kilometers in length.
QUICK QUIZ
1. What is the chemical formula of water?
2. What are the names of two elements water
is made up of?
3. What are the three states of water?
4. Is it possible to find water in another planet?
5. What is the name of the longest river in the
world?
6. Does pure water have taste or smell?
QUICK QUIZ
COMPLETE THE SENTENCES:
1. Water boils at ...... at normal conditions and
at ...... on the top of Mont Everest.
2. River Nile is ......... km long.
3. Seawater freezes at ........
4. Water covers around ........ of the Earth’s
surface.
5. Every kilogram of seawater contains around
...... grams of dissolved salt
THE WATER CYCLE
• The water cycle involves water evaporating
(turning into a gas), rising to the sky, cooling
and condensing into tiny drops of water or ice
crystals that we see as clouds, falling back
to Earth as rain, snow or hail before
evaporating again and continuing the cycle.
• EXERCISE:
• Look at the picture on the next slide and
describe the water cycle.
OCEANS FACTS
• Around 70% of the Earth’s surface is covered by
oceans.
• Ocean tides are caused by the Earth rotating while
the Moon and Sun’s gravitational pull acts on ocean
water.
• The largest ocean on Earth is the Pacific Ocean, it
covers around 30% of the Earth’s surface.
• The Pacific Ocean’s name has an original meaning of
‘peaceful sea’.
• Located to the east of the Mariana Islands in the
western Pacific Ocean, the Mariana Trench is the
deepest known area of Earth’s oceans. It has a
deepest point of around 11000 metres.
• The Pacific Ocean contains around 25000 different
islands, many more than are found in Earth’s other
oceans.
• The Pacific Ocean is surrounded by the Pacific Ring
of Fire, a large number of active volcanoes.
• The second largest ocean on Earth is the Atlantic
Ocean, it covers over 21% of the Earth’s surface.
• The Atlantic Ocean’s name refers to Atlas of
Greek mythology.
• Amelia Earhart became the first female to fly
solo across the Atlantic Ocean in 1932.
• The third largest ocean on Earth is the Indian
Ocean, it covers around 14% of the Earth’s
surface.
• During winter the Arctic Ocean is almost
completely covered in sea ice.
QUICK QUIZ
• What is the largest ocean?
• What is the deepest area of Earth’s oceans?
• Where can we find islands: Madagascar,
Seychelles, Sri Lanka?
• Where can we find islans: Cook Islands, Tahiti,
Hawai, Galapagos islands?
• Where can we find islands: Haiti, Barbados, St.
Helena
• What is the Ring of fire? Look at the next slide.
THE RIVERS OF THE WORLD
EXERCISE:
Do you know the names of the rivers
in these pictures?
LONDON
THAMES
GLASGOW
CLYDE
PARIS
SEINE
MOSCOW
MOSCOW
PRAGUE
VLTAVA
BUDAPEST
DANUBE
ROME
TIBER
WASHINGTON D.C.
POTOMAC
CAIRO
NILE
SANGHAI
HUANGPU
VARANASI
GANGES
THE LONGEST RIVERS
1 Nile 6671 km
2 Amazon 6437 km
3 Jang c Tiang 6300 km
4 Mississippi 6212 km
5 Chuang Che (Yellow River) 5464 km
6 Ob 5410 km
7 Congo 4835 km
8 Mekong 4500 km
NILE RIVER - FACTS
• The Nile is famous as the longest river in the
world. The river got its name from the Greek
word Neilos, which means valley.
• Only 22% of the river passes through Egypt,
the other countries through which Nile passes
are Sudan, Burundi, Ethiopia, Zaire, Kenya,
Eritrea, Uganda, Rwanda and Tanzania.
• The Nile Delta in Northern Egypt is where the
Nile River drains in to the Mediterranean Sea.
It is around 160 kilometres in length and
spreads out over 240 kilometres of coastline.
It is rich in agriculture and has been farmed
for thousands of years.
• Around 40 million people (half of Egypt’s
population) live in the Nile Delta region.
AMAZON RIVER - FACTS
• The Amazon River is located in South
America. It runs through Guyana, Ecuador,
Venezuela, Bolivia, Brazil, Colombia and Peru.
• During the wet season, the Amazon River can
reach over 190 kilometres in width.
• There are no bridges that cross the Amazon,
mostly because there is no need, the majority
of the Amazon River runs through rainforests
rather than roads or cities.
• The largest city along the Amazon River is Manaus.
Located in Brazil it is home to over 1.7 million
people.
• There are over 3000 known species of fish that live
in the Amazon River, with more constantly being
discovered.
• Anacondas lurk in the shallow waters of the
Amazon Basin, they are one of the largest snakes in
the world and occasionally attack larger animals
such as goats that get to close the water.
• The Amazon River is also home to the piranha, a
meat eating type of fish!
QUICK QUIZ
• Which river flow through London, Paris,
Budapest, Rome, Washington D.C?
• What are the names of the 3 longest rivers?
• How long is the longest river?
• What does the word „Nile“ mean?
• How many states does Nile flow through?
Name at least 5 of them.
• What is the Nile Delta?
QUICK QUIZ
• How many states does Amazon river flow
through? Name at least 4 of them.
• Why there are no bridges that cross the
Amazon river?
• How many fish species do live in Amazon
river?
• What is anaconda and piranha?
SPACE PICTURES
• Next slides show pictures of rivers from the
space.
MISSISSIPPI
GANGES
CONGO
MEKONG
THE MOST BEAUTIFUL FALLS
• http://www.youtube.com/watch?v=OFfazvxz4
58
Použité zdroje
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http://www.sciencekids.co.nz/sciencefacts/water.html
http://www.sciencekids.co.nz/sciencefacts/earth/oceans.html
http://www.sciencekids.co.nz/sciencefacts/earth/amazonriver.html
http://matadornetwork.com/change/40-shocking-facts-about-water/
http://www.sciencekids.co.nz/sciencefacts/earth/nileriver.html
http://igentry.blogspot.sk/2008/09/interesting-facts-about-nile-river.html