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Earth Science Vocabulary

Terms

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What is a homogeneous mixture?
A mixture that is evenly mixed throughout.
What is a heterogeneous mixture?
A mixture that is not mixed evenly and each component retains it own properties.
What is a solution?
A mixture in which one substance is completely and evenly mixed in another substance and is the same throughout.
A physical property of matter that can be determined by dividing the mass of an object by it volume.
Density
Matter
Anything that has mass and takes up space.
Atoms of the same element that have different numbers of neutrons.
Isotopes
Ion
An electrically charged atom whose charge results from an atom losing or gaining electrons.
What is another name for a personal opinion?
Bias
What is Earth Science
Study of earth and space, including rocks, fossils, climate, volcanoes, land use, ocean water, earthquakes and objects in space.
What is the mass number?
The number of protons plus the number of neutrons in an atom.
Mixture
Two or more substances that retain theri own properties even when they are combined and that can be separated from one another by physical means.
Study of moral values about what is good or bad.
Ethics
A rule that describes the behavior of something in nature, usually describes what will happen in a situration but not why it happens.
Scientific law
Proton
Positively charged particle that is located in the nucleus of an atom.
Constant
A variable that does not change in an experiment.
Standard for comparison in an experiment.
Control
Electron
A Negatively charged particle that moves around the nucleus of an atom and form an electron cloud.
What is technology?
The use of scientific discoveries for practical purposes, making people's lives easier and better.
Neutron
Particle without an electric charge that is located in the nucleus of an atom.
Factor that changes in an experiment
Independent variable
An explanation that is supported by results from repeated experimentation or testing.
Scientific Theory
Steps in the Scientific Method
Problem?Question
Gathering information
Hypothesis
Testing
Analyzing
Conclusion
Factors that can be changed in an experiment
Variables
Matter that is made up of two or more elements and has physical and chemcial properties different from each of the elements that make it up.
Compound
The number of protons in an atom?
Atomic number
An educated guess
Hypothesis
A substance that contains only one type of atom.
Element
Tiny building blocks of matter, made up of protons, neutrons, and electrons.
Atoms

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