Key Terms
Fill-In-The-Blank
True Or False
Random
More Key Terms
100
What is an ice age?
A period of thousands of years when snow and ice cover much of the earth.
100
____________ is the way that rocks change from one form to another.
Rock cycle
100
Igneous rock is rock formed from cooled magma.
True
100
The eath's plates can slide past each other causing ___________.
earthquakes
100
What is deposition?
The dropping of sediments moved by erosion.
200
What are sediments?
Soil, sand, and rock carried by wind and water
200
Sanstone is a type of metamorphic rock.
False, sedimentary
200
A fossil that forms when minerals or sediments fil a mold is an imprint.
false, a cast
200
What is one casue of physical weathering?
wind
200
What is water that drains off land called?
runoff
300
What is chemical weathering?
A process that changes the minerals in rocks.
300
Physical weathering changes a rock's ________ and ______.
size and shape
300
The steepness of land affects the amount of erision from runoff.
true
300
An organism can become a fossil if the organism is cover by _________.
sediments
300
What are oxides?
A material formed when oxygen joins chemically with a mineral.
400
What is a crystal?
A substance made up of atoms arragnged in a repeating patterns.
400
When magma cools it forms __________________.
igneous rocks
400
The center of the earth is the mantel.
false, core
400
What is a cause of chemical weathering?
acid rain
400
What is the moving of weathered rock and soil?
erosion
500
What is physical weathering?
The breaking of rocks into smaller pieces.
500
Linches and moss can cause chemical weathering when they give off _____________.
acids
500
Without the process of weathering, there would be no metamorphic rocks.
false, sedimentary rocks
500
Rocks can be changed by heat and pressure to become what?
metamorphic
500
What does petrified mean?
It mean to replace molecules in dead organisms with minerals.
M
e
n
u