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Science 4th Grade

  •  English    24     Public
    Review of unit 1 about matter's states and force
  •   Study   Slideshow
  • Name the three components of the Lithosphere
    Oceanic crust, continental crust, and the upper part of the mantle.
  •  20
  • What the Hydrosphere is?
    The hydrosphere is all the water in our planet.
  •  20
  • "In this state, particles are completely separated and can move freely. The forces that keep them joined are very weak." The previous definition belongs to: A) Solid B) Liquid C) Gas
    C) Gas
  •  20
  • What instrument we use to measure volume?
    A cylinder
  •  20
  • What are the Geosphere’s layers?
    Crust, Mantle and Core
  •  15
  • Can you name the three Earth's layers?
    Atmosphere, Geosphere and Hydrosphere
  •  20
  • According to the picture where someone is pushing a cart, this type of force is a contact force or a non-contact force?
    It's a contact force
  •  20
  • Tectonic plates are always still or in constant movement?
    They are always in constant movement.
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  • Which layer of the geosphere has the highest temperature? The crust, the mantle or the core?
    The Core
  •  20
  • Gravitational Force is when a magnet is near certain objects it attracts them. This statement is true or false?
    It is false because it is a Magnetic Force.
  •  15
  • Electric Force is caused by the closeness of objects with an electric charge. This statement is true or false?
    It is true.
  •  15
  • Does liquid particles have constant volume? Yes or no?
    Yes
  •  15
  • "Mass is the amount of volume that a body has." Is it correct?
    No, because mass is the amount of MATTER that a body has.
  •  20
  • "Volume is the space that a body occupies." Is it correct?
    Yes, it is.
  •  20
  • What the Epicenter is?
    It is the point on the surface of Earth, located just above the hypocenter where the tremor or earthquake is usually felt with the greatest intensity.
  •  25
  • The outer core is solid, frozen or liquid?
    The outer core is liquid.
  •  25