Vocabulary
Measurements
Matter
Mixtures
Properties & Changes
100
Has no definite volume or shape.
gas
100
The volume of a liquid can be measured using a ____________.
Graduated container or graduated cylinder
100
All matter is made up of small particles called ________.
Atoms
100

A mixture in which all the substances are spread evenly throughout is called a ________.

Solution

100
A characteristic of a substance that can be observed without changing the identify of the substance.
Physical property
200
Two or more substances that are physically combined form a ________.
Mixture
200
The volume of a solid can be calculated by multiplying length x width x height or by using what method?
Water displacement
200
What type of change occurs when heating up a marshmallow over a fire?
Physical change
200
What is a solute?
A substance that is dissolved.
200
The process of a gas changing to a liquid.
Condensation
300
1) The process of a liquid changing to a solid. 2) The process of a solid changing to a liquid.
1) Freezing 2) Melting
300
Mass is usually measured with a ________.
Balance
300
Matter made up of only one kind of atom.
Element
300
What is a solvent?
A substance that dissolves another substance.
300
Occurs when atoms from two or more elements or compounds combine to form a new substance.
Chemical change
400
Has a definite volume, but not a definite shape.
Liquid
400
The amount of matter in a certain volume.
Density
400
Particles formed when atoms join with other atoms.
Molecules
400
The concentration of a solution is the amount of ___(1)___ that is dissolved in a ___(2)___.
1-solute 2-solvent
400

When does evaporation happen? How is it related to vaporization?

Evaporation happens when a substance changes from a liquid to a gas at a temperature below its boiling point. Evaporation is a form of vaporization. Vaporization may occur when a liquid is heated above its boiling point.

500
The amount of space an object or substance takes up.
Volume
500

How is weight different from mass?

Mass measures the amount of matter, but weight measures the amount of force gravity exerts on the matter. (Weight can change depending on location, mass does not change.)

500
A molecule formed when atoms of different elements combine.
Compound
500
The ability of a solvent to dissolve a certain amount of solute is called its ________.
Solubility
500

How is a physical change different from a chemical change?

A physical change does not form a new substance and can usually be changed back. A chemical change does
form a new substance.

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