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Unit 4. The Earth is constantly changing

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  • How an Earthquake is produced?
    When the forces inside the Earth move the rocks changing the Earth's relief
  • Which two phenomena change our planet's relief?
    Magmatism and crust deformations
  • What is a mineral?
    Is a solid natural material with a chemical composition
  • Where meteorological phenomena take place?
    They happen in the atmosphere
  • What is transportation and erosion?
    Transportation: Move the rocks from one place to another. Erosion: Destruction of the land, until it becomes flat
  • When the magma becomes lava?
    When the magma gets in touch with the surface
  • Properties of minerals (4)
    Colour, Lustre, Hardness and shape
  • How living beings interact with the atmosphere?
    Through the respiration and the photosynthesis
  • Name the stages of the water cycle
    Evaporation, condensation, precipitation, runoff and infiltration
  • What is a volcanic eruption?
    When the magma goes outside through the volcano
  • Name the different parts that make the Earth system
    The biosphere, the atmosphere, the hydrosphere and the geosphere
  • What is magmatism?
    The heat inside the Earth melt the rocks and form magma
  • What is a fossil?
    It is a sedimentary rock where living beings are petrified
  • What is a sedimentary rock?
    It is a rock made of different sediments
  • What is the geosphere made of?
    It is made of rocks and minerals
  • What is a rock?
    It is a natural material made up of different minerals
  • What is the atmosphere?
    It is the layer of air around the Earth.
  • What is deposition?
    It is when a geological agent drops the materials it transported
  • Name the three layers of the Earth
    Crust, mantle and core
  • Classification of rocks (3)
    Composition, texture and origin
  • What is weathering?
    The process that breaks the rocks or dissolves their minerals
  • What is the geosphere?
    It is the Earth's sphere which is made of rocks
  • Which process connects the atmosphere and the hydrosphere?
    The water cycle
  • Is the Earth a system? Why?
    Yes, because the different parts that made the Earth interact and change
  • How mountains form?
    When Earth's forces act in opposite directions and fold the surface
  • What is the hydrosphere?
    It is the part of the Earth which contains all the water
  • What is the biosphere?
    Is the part of the Earth where living beings live
  • How many layers does the Earth have?
    Three layers
  • How the geosphere interact with the atmosphere?
    Through volcanic eruptions
  • Depending on its origin, rocks can be... (3 types)
    Igneous rocks, metamorphic rocks or sedimentary rocks
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