La naturaleza
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La naturaleza

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Esta presentación es un material elaborado para explicar la unidad 6 de Sciences "The Nature"

Esta presentación es un material elaborado para explicar la unidad 6 de Sciences "The Nature"

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La naturaleza La naturaleza Presentation Transcript

  • Unit 6 Nature
  • Where can you find water in nature?
    • You can find water in
    sea river lake waterfall stream
  • You can also find water... snow rain clouds iceberg underground View slide
  • What is water like?
    • Water has no colour. It is colourless.
    • Water has no taste. It is tasteless.
    • Water has no smell. It is odourless.
    View slide
  • The states of water
    • We can find water in nature in 3 different states:
    • When it is very cold, water turns into a solid: ice or snow.
    • At room temperature water is a liquid .
    • When it is very hot, water turns into a gas . It is called water vapour .
  • Changes of state
    • The change from liquid water to water vapour is called evaporation .
    • When liquid water changes to a solid it is called freezing .
    • When water vapour turns into a liquid , it is called condensation .
    • When ice changes to liquid water, it is called melting .
    liquid solid gas melting evaporation condensation freezing
  • The water cycle
    • Evaporation
    • The sun heats up water in oceans, rivers or lakes. Water changes from liquid to water vapour . It leaves the oceans, rivers or lakes and goes up in the air.
  • The Water Cycle
    • Condensation
    • Water vapour in the air gets cold and changes back into tiny drops of liquid water forming clouds .
  • The Water Cycle
    • Precipitation
    • The clouds get heavy and water falls back to the earth as rain, hail or snow.
    Rain Hail Snow
  • The Water cycle
    • Collection
    • Water from the rain, snow of hail falls back into lakes, rivers and oceans . Rivers go to the sea... and the water cycle starts again.
  • Water cycle The water cycle is a continuous process of evaporation, condensation, precipitation and collection . It is happening everywhere and all the time. It never stops!!!!!!!
    • Day and night
    • The Sun shines during the day. We see the Sun in different positions at different times of the day.
    The Sun is rising in the morning. It is midday . The Sun is high up in the sky. The Sun in the afternoon . The Sun is setting
  • How do we have day and night? When the Sun shines on one part of the Earth it is day there. It is night on the part of the Earth where the Sun is not shining. The Earth rotates around itself. It takes 24 hours to do one full spin. Earth Moon Night Day
  • The Sun
    • The Sun is a big star which give us light and heat .
    • The Earth is a planet that revolves around the Sun.
    • The Earth takes 365 days (1 year) to travel around the Sun.
    • The Earth also rotates around itself. It takes 24 hours (one day) to do a full spin.
    Moon Earth Sun