Shared Flashcard Set

Details

Changing Earth
Vocabulary
12
Science
5th Grade
04/13/2011

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Cards

Term
Four Layers of The Earth
Definition

Crust

Mantle

Outer Core

Inner Core

Term
Lithosphere
Definition
The Lithoshpere is the top part of the mantle and the crust above it
Term
Plate
Definition
A section of the Lithosphere
Term
Three major kinds of plate boundaries
Definition
Converging, Spreading, and Sliding boundaries
Term
What causes Earthquakes
Definition
"Hung up" plates that jerk into new positions caused by built up energy
Term
How do Volcanoes form
Definition
Volcanoes form by one plate sliding under another then the rock partially melts making magma
Term
Constructive vs. Destructive processes in nature
Definition

Constructive creates stuff in nature

Destructive destroys stuff in nature

Term

Weathering- What are 2 types

What is the difference between these 2 types

Definition

Mechanical is physical change

Chemical dissolves substances

Term
Parts and layers of soil
Definition

Topsoil: Largest amount of decayed matter

Subsoil: Minerals

Bedrock: Nearly solid rock

Term
Erosion
Definition
Movement of material away
Term
Wave Erosion
Definition

The actions of the waves wear down rocks and beaches

Harbors and inlets form as some areas erode more quickly than others

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