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Science Voabulady #1

The part of Earth which is composed mostly of rock; the crust and outer mantle Lithospheric
A type of rock that forms when melted rock cools and hardens Igneous rock
A type of rock formed by gravity pressing fragments of other rocks and minerals together as they settle on land or under the ocean over a long preriod of time Sedimentary rock
One of the major types of rock that is created from previously existing rock Metamorphic rock
Hardened remains or imprint of a plant or animal Fossil
The ordering of sedimentary layers of rock with the oldest on the bottom and the youngest on top Law of superposition
A crack in a body of rock that the rock can move along Fault
Fossils of widely distributed organisms that lived during only one short period Index fossils
The age of a rock given as the number of yeArs since the rock formed Absolute dating
The age of a rock compared to the ages of rock layers Relative age
The process of determining the age of an object using the half life of one or more radioactive elements Radioactive dating
Sample of ice usually removed from the polar ice caps which gives evidence of the atmosphere in the past Ice cores
The theory that the earths lithosphere id divided into a number of large, plate like sections that move Plate tectonic theory
Process by which species of organisms undergo changed over a long period of time through genetic variation and natural selection Evolution
Fossils that have characteristics of organisms that existed both prior to and after it Transitional fossil
A coastal body of water where fresh water from a river mixes wth salt water Estuaries
The movement of cold water upward from the deep ocean that is caused by wind Upwelling
Measures how acidic or basic a liquid is pH
Is the cloudiness of a fluid caused by individual particles suspended in the fluid Turbidity
Are species that can be used to monitor the health of an environment or ecosystem Bio-indicators
All of the water on,under, and above the Earth Hydrosphere
Saltiness of a body of water Salinity
Living things Biotic
All of the non living parts of an ecosystem Abiotic
The continual movement of water between the land, ocean , and the air Water cycle
Created by: jevans2315