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THE EARTH
Silvia Marcela Vargas
English 5 Listening and Speaking
Universidad de Nariño
March 2014
San Juan de Pasto, Nariñ...
The Earth
Silvia Marcela Vargas Romero
VOCABULARY
1)Droplet /ˈdrɑˈplət; ˈdrɒplɪt/
n. a verysmallamountof liquid
2)Clump/klʌmp/
• n. asmallmass of something
such ...
3) Crust/krʌst/
n. thehardsurface of theEarth.
4) Core /kɔˈr/
n.the central part of theEarthoranyotherplanet.
5) Axis /ˈæksɪs/
n.theimaginary line around
whichtheEarthturns.
6) Leapyear /liˈpjɪr/
n. a year, whichhappenseveryfourth
y...
7)Deity/ˈditɪ/
n. a godorgoddess.
e.g. Zeus is a deity of Greekmythology.
INTRODUCTION
The Earth isour home.
How did the Earth begin?
4.6 billion
yearsago,neither the
Earth norany of the
otherplanets in the Solar
System existed.
1) A Hot Cloud of Gas
2)Billions of Droplets
4) The Earth
Earth’s Formation Process
3) A Clump
By the action of
temperatur...
What is the Earth made of ?
Crust
46%Oxygen
28%Silicon
8%Aluminum
10%Others
Core
88% Iron
12% Nickel
How long is a day?
The Earth takes 23 hours,56 minutes
and 4 seconds to rotate on its axis.
This number is known as sidere...
Exactly how long is a
year?
Every year the Earth travels once around the
Sun. This journey occurs every 365.24 days.
It is...
Was the Earth at the centre
of the Universe?
The Earth was once believed to be the
centre of the universe.That is, people
...
However,in1514,Nicolaus
Copernicus,aPolishastronomer,postulatedt
hat the Sun was the centre of the universe.
Wheredid the name
« Earth » come from?
Most of the planets in the
solar system are
namedafterdeities of Roman
And Greekmyt...
The name Earth comesfrom the Germanicword
« ertho » whichmeans « the soilthatwas the
source of all life ».
Because 70% of the planet is covered
by water.We live in the remaining 30%
solidground.
Why is the Earth called the Blue
P...
It is a photograph of planet Earth taken in
1990 by a spacecraft named Voyager 1.
The photograph was taken from a distance...
Earth is shown as a fraction of a pixel
against the vastness of space.
Recommended video: Pale Blue Dot - Carl Sagan
http:...
What is sospecial about the
Earth?
The Earth is the
onlyplanetwithtemperaturesatwhichliquidcanexist
on the surface and is ...
Powerpoint Templates
THANK YOU
Questions
1) Whichisthecorrectsequence of
thefollowingsteps of
Earth’sformationprocess?
1) A cloud of gas 2) A clump
3)The...
3) Howlongis a siderealday ?
a) 23 hours 56 minutes 4 seconds
b) 23 hours 55 minutes 4 seconds
c) 22 hours 56 minutes 4 se...
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Transcript of "The Earth"

  1. 1. THE EARTH Silvia Marcela Vargas English 5 Listening and Speaking Universidad de Nariño March 2014 San Juan de Pasto, Nariño Colombia
  2. 2. The Earth Silvia Marcela Vargas Romero
  3. 3. VOCABULARY 1)Droplet /ˈdrɑˈplət; ˈdrɒplɪt/ n. a verysmallamountof liquid 2)Clump/klʌmp/ • n. asmallmass of something such as soil • v. toform a grouporsolid mass
  4. 4. 3) Crust/krʌst/ n. thehardsurface of theEarth. 4) Core /kɔˈr/ n.the central part of theEarthoranyotherplanet.
  5. 5. 5) Axis /ˈæksɪs/ n.theimaginary line around whichtheEarthturns. 6) Leapyear /liˈpjɪr/ n. a year, whichhappenseveryfourth year, whenFebruary has 29 days insteadof 28.
  6. 6. 7)Deity/ˈditɪ/ n. a godorgoddess. e.g. Zeus is a deity of Greekmythology.
  7. 7. INTRODUCTION The Earth isour home.
  8. 8. How did the Earth begin? 4.6 billion yearsago,neither the Earth norany of the otherplanets in the Solar System existed.
  9. 9. 1) A Hot Cloud of Gas 2)Billions of Droplets 4) The Earth Earth’s Formation Process 3) A Clump By the action of temperature, itcondensedi nto Theywereslowly put together by gravityuntiltheyfo rmed It received a series of collisions and continued on clumping.Then,Itturnedinto
  10. 10. What is the Earth made of ? Crust 46%Oxygen 28%Silicon 8%Aluminum 10%Others Core 88% Iron 12% Nickel
  11. 11. How long is a day? The Earth takes 23 hours,56 minutes and 4 seconds to rotate on its axis. This number is known as siderealday
  12. 12. Exactly how long is a year? Every year the Earth travels once around the Sun. This journey occurs every 365.24 days. It is this extra 0.24 daysthatcreates the need for leapyears.
  13. 13. Was the Earth at the centre of the Universe? The Earth was once believed to be the centre of the universe.That is, people believed the Sun and the otherplanetswereorbitatingaround the Earth.
  14. 14. However,in1514,Nicolaus Copernicus,aPolishastronomer,postulatedt hat the Sun was the centre of the universe.
  15. 15. Wheredid the name « Earth » come from? Most of the planets in the solar system are namedafterdeities of Roman And Greekmythology. For example,Uranus is a Greekdeitythatrepresents the sky. The origin of Earth’s nameisdifferent.
  16. 16. The name Earth comesfrom the Germanicword « ertho » whichmeans « the soilthatwas the source of all life ».
  17. 17. Because 70% of the planet is covered by water.We live in the remaining 30% solidground. Why is the Earth called the Blue Planet ?
  18. 18. It is a photograph of planet Earth taken in 1990 by a spacecraft named Voyager 1. The photograph was taken from a distance of about 1,6 billion kilometers. Is the Eartha Pale Blue Dot ? Carl Sagan, who was part of the Voyager 1’s team, suggested taking this picture.
  19. 19. Earth is shown as a fraction of a pixel against the vastness of space. Recommended video: Pale Blue Dot - Carl Sagan http://www.youtube.com/watch?v=n5khU_6o7lc The Earth
  20. 20. What is sospecial about the Earth? The Earth is the onlyplanetwithtemperaturesatwhichliquidcanexist on the surface and is the onlyplanetwith an atmospherethatcontainsoxygen. The Earth is the only place in the universewherehuman life is possible.
  21. 21. Powerpoint Templates THANK YOU
  22. 22. Questions 1) Whichisthecorrectsequence of thefollowingsteps of Earth’sformationprocess? 1) A cloud of gas 2) A clump 3)TheEarth 4)Billions of droplets a)1,2,3,4 b)1,4,2,3 c)1,2,4,3 2) Whatisthemaincomponent of Earth’score? a) Nickel b) Silicon c) Iron
  23. 23. 3) Howlongis a siderealday ? a) 23 hours 56 minutes 4 seconds b) 23 hours 55 minutes 4 seconds c) 22 hours 56 minutes 4 seconds 4) NicolausCopernicuspostulatedthat: a) TheEarthwasthe center of theuniverse. b) TheSunwasthe center of theuniverse. c) TheSunwasthe center of the Solar System. 5) WhydoesFebraury 29th exist? a) BecausetheEarthdoesnotorbittheSunin a wholenumberof days. b) BecausetheEarthdoesnotrotateonits axis in a wholenumber of days. c) BecausetheEarthmakes a journey of 365 daysaroundtheSun once a year.
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