Measuring Matter
A graduated container measures the volume of a __________.
a. solid b. liquid c. gas
b. liquid
A ________ has a definite volume and a definite shape.
a. solid b. liquid c. gas
a. solid
The process of a solid changing to a liquid is called ____________.
melting
All matter is made up of small particles called __________.
atoms
A ___________ is a mixture in which all the substances are spread evenly throughout.
solution
The amount of material in a substance is its ___________.
mass
A __________ has a definite volume, but not a definite shape.
a. solid b. liquid c. gas
b. liquid
The process of a gas changing to a liquid is called __________________.
condensation
Matter that is made up of only one kind of atom is called an ____________.
element
The ability of a solvent to dissolve a certain amount of solute is called its ____________.
solubility
A _____________ is a scientific instrument that measures mass.
balance
A __________ has no definite volume and no definite shape.
a. solid b. liquid c. gas
c. gas
The process of a liquid changing to a gas is called __________________.
vaporization
When atoms of different elements combine, the molecule formed is called a _____________.
compound
A substance that is dissolved in another substance is called a ___________, but the substance that dissolves another substance is called a __________.
solute
solvent
Water displacement can be used to find the volume of a _________.
a. solid b. liquid c. gas
a. solid
____________ is anything that has mass and volume.
Matter
The process of a liquid changing to a solid is called _____________.
freezing
A _____________ is formed when two or more substances are combined physically.
mixture
_______________ refers to the amount of solute that is dissolved in the solvent.
Concentration
___________ measures the amount of matter in a certain volume.
Density
A characteristic of a substance that can be observed without changing the identity of the substance is called a ____________ property.
physical
A __________change in matter does not form a new substance, but a ____________ change occurs when atoms from two or more elements combine to form a new substance.
physical
chemical
Salt is formed as a result of a ___________ change when chlorine and sodium combine.
chemical
What is one way to increase the rate of dissolving a solute in a solution?
1. Stir the solution
2. Increase the surface area
3. Increase the temperature