3.When the elevation changes gradually, contour lines are ______widely_ spread. When the elevation
changes quickly, contour lines are _______________ to one another.
9.Lines of _____________ are imaginary lines around Earth that are parallel to the ____________. Lines
of ________________ are imaginary lines around Earth that pass through both poles and cut the
__________ at 90ᵒ.
12.Under continents the crust is called __________ crust, is __________ and in includes ________, a
hard, multicolored rock.
13.Under oceans the crust is called _____________ crust, is thinner is composed mostly of ____________,
a hard and denser rock.
14.The _____________ consists of the _____________ and the upper, hard part of the _____________.
15.The ___________, the most rigid part of Earth’s layers, is part of two Earth layers at the same time.
21.When an object is placed in a fluid (i.e. liquid or gas that can flow) the earth pulls downward on both
the object O and the fluid. If the object is denser than the fluid, the object _________ right through the
fluid. If the object is _________ than the fluid, it _______________.
Date 17-04-19 | Level I | 1
Date 17-04-19 | Level I | 2