Earth Science Chapter 1 Vocabulary

Front 1

Earth Science

Back 1

study of the earth and the universe around it.

Front 2

Geology

Back 2

study of the origin, history, and strcture of the solid earth and the processs that shape it.

Front 3

Oceanography

Back 3

study of the earth's oceans

Front 4

Meteorology

Back 4

study of the earth's atmosphere

Front 5

Astronomy

Back 5

study of the universe beyond the earth,

Front 6

Geosphere

Back 6

the solid earth

Front 7

Atmosphere

Back 7

thic blanket of gases surrounding the earth.

Front 8

Hydrosphere

Back 8

all the earth' water

Front 9

Ecology

Back 9

study of the complex relationships between livng things and their envirnment.

Front 10

Ecosystem

Back 10

community of organisms and the environment they inhabit

Front 11

Biosphere

Back 11

ecosystem encompassing all the life on earth and the physical environment that supports it.

Front 12

Pollution

Back 12

conamination of the environmen with waste products or impurities.

Front 13

Biodrgradable

Back 13

able to be broken down into component arts by microorganisms

Front 14

Scintific Methods

Back 14

organized, logical approaches to scientifi research.

Front 15

Observation

Back 15

act of using the senses to gather information

Front 16

Measurement

Back 16

comparison of a property of an object or phenomonon with a standard unit.

Front 17

Hypothesis

Back 17

possible explanation of a problem that is based on facts.

Front 18

Experimentation

Back 18

process by which a scientific procedure is carried out according to certain guidelines.

Front 19

Variable

Back 19

factor in an experiment that can be changed.

Front 20

Theory

Back 20

hypothesis or set of hypotheses supported by the results of experimentation and observation.

Front 21

Scientific Law

Back 21

rule that correctly describes a natutal phenomenon.

Front 22

Spectrum

Back 22

band of the various colors of light.

Front 23

Wavelength

Back 23

distance between wave crests

Front 24

Elements

Back 24

a substance that cannot be broken down into a simpler form by ordinary chemical means.

Front 25

Doppler Effect

Back 25

the apparent shift in the wavelengths of enegy emmitted by an energy source moving away from or toward an observer.

Front 26

Spectroscope

Back 26

instrument that splits white light into a band of colors.

Front 27

Background Radiation

Back 27

low levels of energy evenly distributed throughout the universe.

Front 28

Big Bang Theory

Back 28

theory that all matter and energy in the universe was compressed into an extremely small volume that suddenly, billions of years ago, began expanding in all directions.