Vocabulary
More Vocabulary
Phase Changes
Chemical Changes
Physical Changes
100

Anything that has mass and takes up space

What is Matter?

100

A substance that has definite shape and definite volume.

What is a solid?

100

A reversible physical change when a substance changes from one state of matter to another.

What is a Phase Change?

100

Properties that are measured or observed when matter undergoes a change and becomes an entirely different kind of matter. 

What is Chemical Properties?

100

Changes in the properties of a substance without changing the composition of the substance.

What is Physical Changes?

200

Two or more substances mixed together but not chemically bonded

What is Mixture?

200

The energy an object has due to its motion

What is Kinetic Energy?

200

These phase particles that are in constant, random motion

What is Gas?
200

When the composition of a substance is changed, and new substances form.

What is Chemical Changes?

200

The ration of a substance's mass to its volume.

What is Density?

300

In sweet tea, sugar is this part of the solution

What is Solute?
300
Any characteristic of a substance that can be observed or measured without changing the composition or the identity of the substance.

What is Physical Property?

300

These particles are always in motion but the attraction between the particles don't affect the movement of the particles.

What is a Liquid?

300

True or False: A change in volume is often a clue that a chemical change has occurred.

What is False?

300

Underwater plants and animals can survive because oxygen is dissolved in the water of rivers, lakes and oceans due to this physical change.

What is Solubility?

400

Define Diffusion

What is the natural movement within gases and liquids that spreads out particles from an area of higher concentration to an area of lower concentration?

400

A liquids resistance to flowing

What is Viscosity?

400

Occurs when a gas changes directly into a solid without first changing into a liquid. 

What is Deposition?

400

Bubbles of this compound are created when Alka-Seltzer and Water are combined.

What is Carbon Dioxide?

400

Why cutting your hair is considered a physical change.

What is because you are not changing the composition of the hair?

500

A substance that goes directly from a solid state to a gaseous state without becoming a liquid first

What is Sublimation?

500
The ability of one substance to dissolve in another.

What is Solubility?

500

The factor that determines whether particle energy increases or decreases?

What is Temperature?

500

This chemical change results in the formation of a solid.

What is Precipitate?

500

True or False: The temperature of a substance does not change during a phase change.

What is True?