Shared Flashcard Set

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Science
Science Vocab
43
Science
9th Grade
10/05/2015

Additional Science Flashcards

 


 

Cards

Term

SI

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the Systeme Internationale, or International System of measurement (aka Metric System)

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Ruler

Definition

 

 

Term

Volume

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Amount of space occupied by a substance

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Inside

Definition
Term

Mass

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Amount of matter in a substance

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#mass

Definition
Term

Density

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Mass divided by Volume (how 'dense' a substance is)

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m/v

Definition
Term

Matter

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Anything that has mass and takes up space

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Space

Definition
Term

Solid

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A state of matter that has a definite shape and a definite volume; low energy

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Block

Definition
Term

Liquid

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A state of matter that has no definite shape but has a defninite volume; high energy.

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Water

Definition
Term

Gas

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A stste of matter with no defninite shape or volume; very high energy.

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Exhaust

Definition
Term

Plasma

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A fourth state of matter distinct from solid or liquid or gas and present in stars and fusion reactors; highest energy

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Nuke

Definition
Term

Kinetic Theory

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All matter consists of tiny particles that are in constant motion

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Movement

Definition
Term

Line graph

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A graph in which data points are joined by a linke; the IV is quantitative

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Points

Definition
Term

Bar Graph

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A graph that uses horizontal or vertical bars to display data; IV is qualitative

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Bars

Definition
Term

Circle Graph

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A data display that uses pieces of a circle to show parts of a whole

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Pie

Definition
Term

Temperature

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A mesure of the average energy of motion of the particles of a substance(hot = high energy; cold = low energy)

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Seasons

Definition
Term

Kelvin

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SI unit for temperature (1 K = -272.2 C or -457.8 F)

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Calvin

Definition
Term

Chemical Change

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A change in matter that produces one or more new substances (i.e. lighting and exploding a firework, rusting metal)

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Rust

Definition
Term

Physical Change

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A change in a substance that does not involove a change in the identity of the substance(i.e. soaking a sponge, melting chocolate)

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Cutting

Definition
Term

Chemical Property

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A characteristic of a pure substance that describes its ability to change into different substances (i.e. reactivity, flammability, oxidation)

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Flame


Definition
Term

Physical Property

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A characteristic of a pure substance that can be observed without changing it into another substance (i.e. melting point, color, smell, freezing point)

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Color

Definition
Term

Metric Ladder

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Used to convert from one metric unit to another

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In - Cm

Definition
Term

Thermal Energy

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The total energy of motion in the particles of a substance

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Fast

Definition
Term

Melting Point

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The temp. at which a solid becomes a liquid

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Melt

Definition
Term

Heat of Fusion

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Amount of energy required to change a substance from the solid phase to the liquid phase

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Ice - Water

Definition
Term

Boiling Point

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The temp. at which a liquid changes to a gas

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Boiling Water

Definition
Term

Heat of vaporization

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The amount of energy required for the liquid at its boiling point to become a gas

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Steam

 

Definition
Term

Sublimation

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A change directly from the solid to the gas state without becoming liquid

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Evaporation

 

Definition
Term

Thermal expansion

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An increase in the size of a substance when the temperature is increased

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Growing

Definition
Term

Bouyancy

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The ability to float

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Boat

Definition
Term

Pressure

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Force divided by the area; decreases with more volume but increases with more temperature

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Bomb

Definition
Term

Viscosity

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A liquid's resistance to flowing (i.e. water has a lower viscosity than maple syrup, because maple syrup flows very slowly.)

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Lava

Definition
Term

Boyle's Law

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at constant temperature, when the volume of a gas increases the pressure will decrease (i.e. more volume means more space to move, so less molecules are pushing against and creating pressure inside the container)

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Definition
Term

Charle's Law

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at constant pressure, when the temperature of a gas increases so will the volume of the gas (i.e. molecules have more energy and spread out further)

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Definition
Term

Substance

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A single kind of matter that is pure and has a specific set of properties

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Holy

 

Definition
Term

Element

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A pure substance made of only one kind of atom (i.e. carbon, oxygen, nitrogen)

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Air, Fire, Water, Earth, AVATAR

Definition
Term

Compound

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A substance made up of atoms of two or more different elements joined by chemical bonds (i.e. carbon dioxide, water, sugar)

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Sugar

 

Definition
Term

Heterogeneous Mixture

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A mixture in which different materials can be distinguished easily (i.e. tossed salad)

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Mica

Definition
Term

Suspension

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A mixture in which particles can be seen and easily separated by settling or filtration (i.e. sand mixed in a glass of water)

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Fresh water, salt water

 

Definition
Term

Solution

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A liquid that is a homogeneous mixture of two or more substances(i.e. Kool - Aid)

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Kool - Aid

 

Definition
Term

Law of Conservation of Mass

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Matter is neither created nor destroyed; the same amount of matter that enters a reaction will be present at the end of the reaction too, though maybe in a different form

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Space

Definition
Term

Gram

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SI unit for mass (g)

 

Definition
Term

Liter 

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SI unit for volume (v)

 

Definition
Term

Meter

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SI unit for distance (m)

 

Definition
Term

SI Prefixes

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1000 = kilo (k), 100 = hecto (h), 10 = deka (dk), 0.1 = deci (d), 0.01 = centi (c), 0.001 = mili (m)

Definition
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