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Inv. 1-5
Test in Science Monday on Inves. 1-5
34
Science
7th Grade
03/25/2011

Additional Science Flashcards

 


 

Cards

Term
Landform
Definition
Features on the earth's surface, formed by natural or synthetic processes
Term
Are Landforms the same all over the earth?
Definition
They are both. They are all natural and on teh earth but they have different features.
Term
Alluvial Fan
Definition

A fan shaped deposit where a stream flows on flat land

 

Term
Fault
Definition
A fault is a break where movement has occured
Term
LeVee
Definition
A stream that stops a land from flooding
Term
Moraine
Definition
The unsorted rocks and soil carried and deposited by a glacier in a mound or ridge.
Term
Elevation
Definition
How high you are from sea level
Term
Rocks reactions with acid
Definition

Calcite- (Mineral)+ Acid= Fizz

Limestone(Rock)+Acid=Fizz

Sandstone(Rock)+Acid=Absorbs

Shale(Rock)+Acid=No Reaction

Term
Layer
Definition
Rock sections that are flat above each other
Term
Correlation
Definition
The realtionship between rock layers
Term
How do earth Materials get sorted in Nature?
Definition
Materials get sorted by erosion, wind, water. They also get sorted by weathering and deposition. The small do down and the large stay. They make rivers, lakes, deltas, canyons, sandbars, etc. They are sorted fast and all the same way or slow with other materials
Term
Erosion
Definition
The physical process of something being grinded or weathered down
Term
Physical Weatering
Definition
Breaks rocks apart, frost wedging, ice
Term
Chemical Weathering
Definition
Break down with acid
Term
Abrasion
Definition
When you break rocks apart by rubbing them against each other
Term
Basin
Definition
[image]
Term
Matrix
Definition
Materials that hold particles and make a stone
Term





Sodium Silicate

Definition
A type of matrix 
Term
Uniformitarianism
Definition
The way things happen today the same way things did in the past 
Term
Calcium Hydroxide
Definition
Chemical In sea Water
Term
Precipitate
Definition
Material that settles out of a liquid
Term
Calcium Hydroxide+Calcium Dioxide=?
Definition

Calcium carbonate also known as...

 

 

Calcite!

Term
The principle of SuperPosition
Definition
The first layer of rock is deposited on the bottom it is the oldest the layer on the top is the youngest
Term
What happens to sediments that dont turn into rocks?
Definition
THEY BECOME SOIL!!
Term
Humus
Definition
Decomposed vegatation or organic material found in soil
Term
How old is the Earth?
Definition

4,500,000,000,000

4.5 billion years old

Term
Index Fossils
Definition

A fossil that can tell you the age of the rock

  • Not all fossils can

Term
Multimedia
Definition
Correlation of index fossils
Term
Index Fossils
Definition

  • Show how old the rock was
  • Not all rocks
  • Lived a short time
  • Found all over the world

Term

[image]

[image]

Definition
Term
[image]
Definition
Term
Extrusive
Definition

Forms OUTSIDE!! 

Quickly

Small Crystals

Term
Intrusive
Definition

Inside of the volcano

LARGE crystals

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