Chapter 9'questions Flashcards
0
Q
The cause of physical weathering
A
Wind
1
Q
The center layer of the layer
A
Core
2
Q
The cause of chemical weathering
A
Water and oxygen
3
Q
Lichens and moss cause chemical weathering because
A
They give off acids
4
Q
The steepness of the land affects the amount of erosion from
A
Run offs
5
Q
The sliding of earths plates causes
A
Earthquakes
6
Q
When magma cools it forms
A
Igneous rock
7
Q
A substance with a repeating pattern
A
Crystal
8
Q
Rocks can be changed by heat and pressure to become
A
Metamorphic rock
9
Q
When minerals replace dead organisms it has become
A
Petrified
10
Q
The outer layer of the earth
A
Crust
11
Q
The middle layer of the earth
A
Mantle
12
Q
Minerals combine with 02 in moist air to form
A
Oxide
13
Q
From oxide in soil looks
A
Red brown and yellow
14
Q
A hollow left in sediments by an Organism
A
Mold
