Matter

Question 1

A type of matter with a fixed composition

Answer 1

Substance

Question 2

If all the atoms in a substance have the same identify

Answer 2

Element

Question 3

A substance in which the atoms of two or more elements are combined in a fixed proportion

Answer 3

Compound

Question 4

A mixture in which different materials can be distinguished easily

Answer 4

Heterogeneous Mixture

Question 5

Contains two or more gaseous, liquid, or solid substances blended evenly throughout

Answer 5

Homogeneous mixture

Question 6

Is a homogeneous mixture of particles so small that cannot be seen with a microscope and will never settle to the bottom of their container

Answer 6

Solution

Question 7

Is a type of mixture with particles that are larger than those in solutions

Answer 7

Colloid

Question 8

Scattering of light by colloidal particles

Answer 8

Tyndall effect

Question 9

A heterogeneous mixture containing a liquid in which visible particles settle

Answer 9

Suspension

Question 10

Characteristic of a material that you can observe without changing the identify of the substances that make up the material

Answer 10

Physical property

Question 11

A change in size, shape, or state of matter is called

Answer 11

Physical change

Question 12

Process for separating substances in a mixture by evaporating a liquid and recondensing its vapor

Answer 12

Distillation

Question 13

A characteristic of a substance that indicates whether it can undergo a certain chemical change

Answer 13

Chemical property

Question 14

A change of one substance to another

Answer 14

Chemical Change

Question 15

The mass of all substances that are present before a chemical change

Answer 15

Law of conservation of mass

Question 16

An explanation of how particles in matter behave

Answer 16

Kinetic Theory

Question 17

The Temperature at which a solid begins to liquefy

Answer 17

Melting Point

Question 18

Amount of energy required to change a substance from the solid phase to the liquid phase at its melting point

Answer 18

Heat of Fusion

Question 19

Is the Temperature at which the pressure of the vapor in the liquid

Answer 19

Boiling Point

Question 20

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

Answer 20

Heat of vaporization

Question 21

Spreading of particles throughout a given volume until they are uniformly distributed

Answer 21

Diffusion

Question 22

A matter consisting of positively and negatively charged particles

Answer 22

Plasma

Question 23

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

Answer 23

Thermal expansion

Question 24

The ability of a fluid, a liquid of gas

Answer 24

Buoyancy

Question 25

A force exerted per unit area

Answer 25

Pressure

Question 26

The resistance to flow by a fluid

Answer 26

Viscosity

Question 27

The unit of pressure

Answer 27

Pascal