OUR HOME : THE    EARTH
LESSON        OBJECTIVE1. Know the 8 planets that   comprises of the solar system2. Understand the earth’s   movement: Rot...
MyVeryEducatedMotherJustServedUsNachos
DO YOU KNOW THAT…• Pluto is not a planet anymore?• The Solar System is 4.6 billion years old!• All the objects in the Sola...
DESCRIBE THE EARTH•              rd    It is the 3 planet in the    solar system•   It is about 150 million km    from the...
THE EARTHS MOVEMENT : (1)ROTATION           • Describe rotation:            • Earth rotates on its own              axis i...
DIAGRAM OF THE EARTH TILTED TOWARDS THE                  SUN
REVOLUTION OF THE EARTH AROUND THE SUN
THE EARTHS MOVEMENT : (2)REVOLUTION•     Describe revolution:    • Earth tilts at an angle of 23.5       degrees to the pl...
THE EARTHS MOVEMENT : (2)REVOLUTION•     Effects    • Revolution and the tilt of the Earth       results in 4 seasons    •...
WHY LIFE IS POSSIBLE ON EARTH?Elements      PurposeWATER         Humans, animals and plants              need water to gro...
SUMMARY•        Solar system comprise of the sun and 8         planets•        Life is possible on earth because of       ...
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Our home the earth solar system

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Our home the earth solar system

  1. 1. OUR HOME : THE EARTH
  2. 2. LESSON OBJECTIVE1. Know the 8 planets that comprises of the solar system2. Understand the earth’s movement: Rotation and revolution3. Appreciate why life is possible on earth: WAFT
  3. 3. MyVeryEducatedMotherJustServedUsNachos
  4. 4. DO YOU KNOW THAT…• Pluto is not a planet anymore?• The Solar System is 4.6 billion years old!• All the objects in the Solar System orbit the Sun in a counter-clockwise direction.• The Sun is just one star in 200 billion in the Milky Way! So are there really aliens on the other planets?
  5. 5. DESCRIBE THE EARTH• rd It is the 3 planet in the solar system• It is about 150 million km from the sun• The earth is the only planet that sustains life because it has WAFT
  6. 6. THE EARTHS MOVEMENT : (1)ROTATION • Describe rotation: • Earth rotates on its own axis in a west-east direction • One complete rotation takes 24 hours • Effects: • Results in Day and Night
  7. 7. DIAGRAM OF THE EARTH TILTED TOWARDS THE SUN
  8. 8. REVOLUTION OF THE EARTH AROUND THE SUN
  9. 9. THE EARTHS MOVEMENT : (2)REVOLUTION• Describe revolution: • Earth tilts at an angle of 23.5 degrees to the plane of its orbit • Earth revolves around the sun along an orbit • One complete revolution takes 365.25 days
  10. 10. THE EARTHS MOVEMENT : (2)REVOLUTION• Effects • Revolution and the tilt of the Earth results in 4 seasons • Revolution and the tilt of the Earth also results in different places on Earth experiencing different lengths of day and night
  11. 11. WHY LIFE IS POSSIBLE ON EARTH?Elements PurposeWATER Humans, animals and plants need water to grow and survive.AIR All living things require oxygen for respiration.FOOD It is our source of energy to sustain our lives.TEMPERATURE Suitable temperature is needed for all species to survive. We Are Fortunate Today!
  12. 12. SUMMARY• Solar system comprise of the sun and 8 planets• Life is possible on earth because of WAFT• The earth rotates on its own axis and revolves around the sunADDITIONAL RESOURCES• http://nineplanets.org/• http://www.bbc.co.uk/science/space/solarsystem/• http://www.classzone.com/books/earth_science/terc/content/investigations/esu701/esu

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