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7th Grade Science Vocabulary Words & Flashcards

7th Grade Science Vocabulary Words & Flashcards
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Rock Cycle
The timeline that rocks go through on Earth; rocks are made, go through a transition period, they break down, and are then rebuilt.
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Hydrosphere
The portions of the Earth made of water.
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Geosphere
The part of Earth that is made up of solid structures.
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Atmosphere
An abiotic characteristic of the Earth; the gasses that surround Earth in different layers.
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Climate
An abiotic characteristic of an ecosystem; the weather.
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Estuary
An ecosystem located where a river flows into a larger body of water.
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Wetlands
An ecosystem where the land is very wet, saturated by rains or flooding.
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Marine Ecosystem
Ecosystems that are found in an ocean, lake, or sea where the focus is under water.
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Abiotic
The nonliving characteristics of an ecosystem; terrain, weather, and other nonliving characteristics.
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Biotic
The living characteristics of an ecosystem; plants, animals, and other organisms.
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Ecosystem
Areas defined by their living and nonliving characteristics.
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Theory
It is a commonly accepted principle or explanation, resulting from the use of the scientific method.
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Experimental Group
The group that changes during experimentation; this group receives the independent variable during the tests.
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Control Group
A group in an experiment that stays constant for any repeated trials; this group does not get the variable in the experiment.
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Variable
The portion of the experiment that can be changed to achieve different results.
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Hypothesis
An opinion or educated guess about what may happen during an experiment; scientists then try to prove or disprove the statement.
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Scientific Method
The process of conducting experiments when trying to find the solution to a problem or to understand a new concept better.
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34 cards in set

Flashcard Content Overview

This flashcard set will introduce users to the vocabulary associated with 7th grade science. Individual cards will provide users the definitions of terms listed on the front of the card. Through the use of this set of flashcards, users will become more familiar with these terms.

Front
Back
Scientific Method
The process of conducting experiments when trying to find the solution to a problem or to understand a new concept better.
Hypothesis
An opinion or educated guess about what may happen during an experiment; scientists then try to prove or disprove the statement.
Variable
The portion of the experiment that can be changed to achieve different results.
Control Group
A group in an experiment that stays constant for any repeated trials; this group does not get the variable in the experiment.
Experimental Group
The group that changes during experimentation; this group receives the independent variable during the tests.
Theory
It is a commonly accepted principle or explanation, resulting from the use of the scientific method.
Ecosystem
Areas defined by their living and nonliving characteristics.
Biotic
The living characteristics of an ecosystem; plants, animals, and other organisms.
Abiotic
The nonliving characteristics of an ecosystem; terrain, weather, and other nonliving characteristics.
Marine Ecosystem
Ecosystems that are found in an ocean, lake, or sea where the focus is under water.
Wetlands
An ecosystem where the land is very wet, saturated by rains or flooding.
Estuary
An ecosystem located where a river flows into a larger body of water.
Climate
An abiotic characteristic of an ecosystem; the weather.
Atmosphere
An abiotic characteristic of the Earth; the gasses that surround Earth in different layers.
Geosphere
The part of Earth that is made up of solid structures.
Hydrosphere
The portions of the Earth made of water.
Rock Cycle
The timeline that rocks go through on Earth; rocks are made, go through a transition period, they break down, and are then rebuilt.
Mechanical Weathering
The process of physically changing or breaking down rocks.
Chemical Weathering
The process of breaking down or changing rocks due to a chemical change.
Matter
Any object that takes up space and has a measurable mass.
Mass
A measure of the amount of matter an object contains.
Atom
The smallest unit of measuring matter that displays chemical properties.
Proton
A particle of an atom with a positive charge.
Electron
A particle of an atom with a negative charge.
Neutron
A particle of an atom with no charge.
Atomic Number
The amount of protons in a chemical element.
Chemical Compound
A compound created when one or more chemicals are combined together.
Chemical Reaction
The name for the changes that happen when joining chemicals together.
Reactants
The chemicals that join together to create a chemical compound; these are what they are called before the reaction.
Product
The remnants of a chemical reaction.
Exothermic Reaction
A chemical reaction that produces and releases heat.
Endothermic Reaction
A chemical reaction that is known to absorb heat.
Calorie
A unit of heat measurement in chemistry; the amount of heat it takes to increase the temperature of water by one degree.
Nucleus
The center part of an atom.

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