Transcript Ch 7 Changes to the Earth`s Surface

Ch 7
Changes to the
Earth’s Surface
By Ms. Aldridge
5th Grade
Topography
•All the kinds of
landforms in a
certain place.
Earthquake
• A movement of the
ground, caused by a
sudden release of
energy in the
Earth’s crust.
Volcano
• A mountain made of
lava, ash, or other
materials from
eruptions that occur
at an opening in
Earth’s crust.
Landform
•A natural land
shape or
feature.
Glacier
•A large thick
sheet of ice.
Sand dune
•A hill of sand
made and shaped
by the wind.
Delta
• An area of new land
at the mouth of a
river, formed from
sediments carried
by the river.
Sinkhole
•A large hole
formed when the
roof of a cave
collapses.
Plate
• A section of the
Earth’s crust and
mantle that fits
together with other
sections like puzzle
pieces.
Epicenter
• The point on the
Earth’s surface
directly above the
focus of an
earthquake.
Fault
•A break in the
Earth’s crust.
Magma
• Molten rock
beneath the Earth’s
surface.
Lava
• Molten rock that
reaches Earth’s
surface.