Landforms
Constant Changes
Rocks
Rocks & Fossils
Fossil Fuels
100
a hill of sand created by the wind
What is a sand dune?
100
a series of actions or changes that bring about a result
What is process?
100
bit of rock, shells, and the remain of plants and animals
What is sediment?
100
the remains or traces of an organism that lived long ago
What is a fossil?
100
a fuel that formed from the decayed remains of ancient plants and animals
What is a fossil fuel?
200
a large flat area of land at the mouth of a river
What is a delta?
200
the breaking down and wearing away of rock
What is weathering?
200
a solid mixture of minerals that was formed in Earth's crust
What is a rock?
200
a material made of tiny pieces of rock, minerals, and decayed plant and animal matter
What is soil?
200
a material that is burned to produce heat energy
What is a fuel?
300
a deep narrow valley with steep sides and often a stream flowing through it
What is a canyon?
300
the movement of weathered materials by water, wind, or ice
What is erosion?
300
the process of rocks changing into other kinds of rock
What is the rock cycle?
300
rocks that are formed from cooled magma or lava
What is igneous rock?
300
fossil fuel were formed because over a long period of time __________ and ______________ were applied to organisms buried in the ground
What is heat and pressure?
400
a natural structure on Earth's surface
What is a landform?
400
the process in which materials eroded by water, wind, or ice are dropped in a new place
What is deposition?
400
a solid natural material that has a crystal form and its own set of properties
What is a mineral?
400
rocks that are formed from existing rocks that have been squeezed and heated deep inside Earth's crust
What is metamorphic rock?
400
the oldest layer of sedimentary rock is the _________ layer
What is the bottom layer?
500
a level, treeless area of land
What is a plain?
500
a long sunken part of the earth's surface usually between hills or mountains
What is a valley?
500
rocks that are formed when sediments are pressed and cemented together
What is sedimentary rock?
500
if fish fossils are found in layers of rock and soil from below a forest floor, what most likely once covered the area
What is a body of water?
500
the top layer of sedimentary rock is the _____________ layer
What is the youngest layer?
M
e
n
u