Earth Science Review #2

Weathering

100

The process of breaking down rocks into smaller pieces 

weathering

200

what type of weathering includes freezing/thawing

Mechanical/Frost heaves

300

What type of weathering occurs when rocks are broken down by chemical reactions?

Chemical Weathering

400

Term describing movement of rock particles due to wind, water or ice? 

Erosion

500

What is the difference between mechanical (physical) weathering and chemical weathering?

breakdown of rocks vs. changing composition/minerals in rocks

Geological Time

100

Longest period in Earth's history? 

Precambrian

200

Age of dinosaurs?

Mesozoic

300

Process that describes the movement of tectonic plates? 

Plate tectonics

400

Name of era AFTER Mesozoic era? 

Cenozoic

500

Using index fossils to date rocks is known as ________ Dating.

Relative

Earth Chemistry

100

Substances that cannot be broken down into simpler substances. 

Elements

200

positively charged particles in an atom

protons

300

Substance made up of two or more elements chemically combined

Compound

400

Symbol for Iron

Fe

500

Name three elements in the Earth's crust. 

Al, Si, Fe, O, N, H, Mg, etc. 

Weather

100

Measures air pressure

barometer

200

layers of gas surrounding earth make up the _______.

atmosphere

300

Layers of the atmosphere in order starting closest to the earth.....

Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere

400

White puffy clouds often seen in blue skies

Cumulus

500

Storm that forms over warmer water, high winds and rain

Hurricane

Maps

100

imaginary line that divides earth into northern and southern hemisphere

Equator

200

the direction indicator (N, S, E, W) on a map is called a _______ ________.

compass rose

300

This type of map shows earth's elevations using contour lines. 

Topographic

400

Parallel lines on a globe are called Lines of ________.

Latitude (east/west)

500

Horizontal lines on a globe are called lines of ______.

Longitude (north/south)