Earth's Structures
The crust, mantle, outer core and inner core are the four main _______________.
layers
The solid, rock part of Earth is the_________.
geosphere
What type of boundary has plates that slide past or rub against each other?
Name two examples of natural hazards.
avalanche, flood, tornado, earthquake, drought
What is weathering?
the process of breaking down or dissolving Earth's rocks
The _______________ is in the center of the earth.
(inner) core
The _________ includes water in, on, and surrounding the Earth.
What is created when two convergent boundaries crash into each other?
volcanoes, mountains
What is magma?
melted rock
True or False:
Wind is one cause of chemical weathering.
false
The _______________ is between the crust and the core.
mantle
The system that includes all life on Earth is the ________.
How do the plates move on a divergent boundary?
away from each other
How do natural hazards affect people?
destroy property, damage roads, take people's lives, leaves people homeless and hungry
True or False:
Rocks are not affected by temperature.
false
The earth’ s _______________________ is also called the crust.
surface
The ________ is the layer of gases that surrounds Earth.
atmosphere
What are the three types of boundaries for tectonic plates?
divergent, convergent, transform
What type of hazard is an earthquake?
tectonic hazard
What is erosion?
the movement of sediments (broken rocks)
Earth’ s crust is made of _____________ and can break during earthquakes.
rock
How many systems does Earth have? Name the systems.
4 (geosphere, hydrosphere, biosphere, atmosphere)
Which scientist developed the theory of continental drift?
Alfred Wegener
What type of hazard is a flood?
climatic hazard
What type of force formed the Grand Canyon?
water and wind