Unit 3 States of Matter REview

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Volume

The amount of space an object takes up.

The volume of this state of matter can change

gas

Deposition

gas to solid

In a testable question where would you always find the Independent and Dependent variable? How does ________ affect ________?

How does the independent affect the dependent?

In an appropriate hypothesis where would the independent and dependent variable be located? If we __________, then ___________, because.....

If we use this independent variable, then the dependent variable will...., because....

You would use a _________ graph if your data was measured over time

Line

Matter

Anything that has mass and takes up space.

You would use a _________ graph if your data was comparing

Bar

The variables in an experiment that are held constant among each test conducted

Control Variables

What does DRY MIX stand for?

Dependent Responding on the Y-axis and Manipulated Independent on the X-axis

The variable in an experiment that is measured (your data)

Dependent Variable

Difference between vaporization & boiling

Evaporating slowing turns liquid to gas, vaporization boils quickly to turn to gas.

Condensation

Gas to Liquid

The correct format for a hypothesis is...

If we..... then ... will increase/decrease, because....

The one variable in an experiment that is changed and tested.

Independent Variable

freezing

Liquid to Solid

How do you describe the particles in a liquid

Low intermolecular attraction between particles(still touching) but allows particle to slide past each other

How would you describe the particles in a gas

Particles moving very fast and freely. No intermolecular attraction.

When gasses are heated even further the next state of matter would be

Plasma

How do you describe the particles in a solid?

Strong attraction between particles. Locked tightly together (touching) and vibrate.

Mass

The amount of matter an object is made up of. Measured by a balance.

What does TAILS stand for?

Title Axis Intervals Label and Scale

Phase Change

When matter changes from one form to another

Absolute zero

When molecules completely stop because all heat is removed. Currently impossible.

Physical Properties

a characteristic that can be observed or measured without changing what the substance is.

Evaporation (absorbs or releases) heat

absorbs (gains)

Melting (absorbs or releases) heat

absorbs (gains)

Sublimation (absorbs or releases) heat

absorbs (gains)

On a data table the dependent variable goes...

across the top

On a data table the independent variable can be found...

along the side in the first column

Liquid to gas at the surface

evaporation

Evaporation causes the molecules to move...

faster & further apart

Vaporization causes the molecules to move...

faster & further apart

the state of matter with no definite volume and no definite shape

gas

term-38Another name for thermal energy

heat

the state of matter with a definite volume but no definite shape

liquid

Boiling

liquid changing to a gas under the surface

solid to liquid

melting

Condensation (absorbs or releases) heat

releases (loses)

Freezing (absorbs or releases) heat

releases (loses)

Condensation causes the molecules to move...

slower & closer together

Freezing causes the molecules to move...

slower & closer together

This state of matter holds its shape when placed in different size containers

solid

the state of matter with a definite volume and definite shape

solid

Sublimation

solid to gas

states of matter (common)

solid, liquid, and gas


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