Lesson 1 Flashcards
(29 cards)
The flowing of the upper __________ causes the Earth’s plates to move.
mantle
The Earth’s crust is thickest under the __________________________.
continental plates
The Earth’s crust is thinnest under the __________________.
ocean plates
What landforms are shaped by water?
valleys and canyons
What landforms are shaped by wind?
deserts and beaches
What is the flattest kind of landform without any hills or mountains?
plains
The tallest and most visible landforms are _______________.
mountains
Streams and rivers can cut small _____________ or gullies where they flow.
channels
Gust of wind can pile sand into large mounds called sand ________.
dunes
__________________ measures vibrations in the Earth.
Seismograph
What landform are formed when a river meets the ocean?
delta
The _________ is the top layer of the Earth.
crust
A large land mass surrounded by oceans or other land is called a _____________.
island
Valleys and canyons are examples of landforms shaped by _________.
water
The gentle sloping edge of a continent that connects the shore to the sea is called the ____________________.
continental slope
What Earth layer has a magnetic field?
outer core
What Earth layer is made of solid metal?
inner core
What type of boundary is an area where two tectonic plates are moving apart?
divergent
What is solid rock caused to liquefy by extreme heat and pressure?
mantle
What type of boundary is an area where two tectonic plates are colliding?
convergent
The continents today were once joined in one huge continent called ____________.
Pangaea
The continents drift only a few __________ a year.
inches
Name the for Earth layers.
Inner core, Outer core, Mantle, Crust
What Earth layer is solid rock?
Mantle
