Chapter 1 Introduction to Matter

Question 1

Anything that has mass and takes up space

Answer 1

Matter

Question 2

The study of matter and how matter changes

Answer 2

Chemistry

Question 3

A single kind of matter that is pure

Answer 3

Substance

Question 4

A characteristic of a substance that can be observed without changing into another substance
Examples: Color, Texture, Size, States of matter

Answer 4

Physical Property

Question 5

A characteristic of a substance that describes its ability to change into different substances

Answer 5

Chemical Property

Question 6

A substance that cannot be broken down into any other substance by chemical or physical means

Answer 6

Element

Question 7

The basic particle from which all elements are made

Answer 7

Atom

Question 8

A force of attraction between two atoms

Answer 8

Chemical Bond

Question 9

A group of two or more atoms held together by chemical bonds

Answer 9

Molecule

Question 10

A substance made by two or more elements that are chemically combined in a set ratio

Answer 10

Compound

Question 11

Shows the elements in a compound and the ratio of the atoms

Answer 11

Chemical Formula

Question 12

Made of two or more substances that are together in the same place but they are not chemically combined

Answer 12

Mixture

Question 13

Different parts can be easily seen and separated out of the mixture

Answer 13

Heterogeneous Mixture

Question 14

So evenly mixed that you cannot see or separate the different parts of the mixture

Answer 14

Homogeneous Mixture

Question 15

A measure of the force of gravity on an object

Answer 15

Weight

Question 16

The amount of matter in an object which does not change with location even if the force of gravity changes

Answer 16

Mass

Question 17

A system of measurements based on ten and on established measures of mass, length and time

Answer 17

International System of Units

Question 18

The amount of space that matter occupies

Answer 18

Volume

Question 19

A measure of the mass of a material in a given volume

Answer 19

Density

Question 20

This alters the form or appearance of matter but does not turn any substance in the matter into a different substance

Answer 20

Physical Change

Question 21

A change in matter that produces one or more new substances

Answer 21

Chemical Change

Question 22

The fact that matter is not created or destroyed in any chemical or physical change

Answer 22

Law of Conservation of Mass

Question 23

A measure of how hot or cold something is. It is related to the energy of motion of the particles of matter

Answer 23

Temperature

Question 24

The total energy of the motion of all of the particles in an object

Answer 24

Thermal Energy

Question 25

A change in which energy is absorbed

Answer 25

Endothermic Change

Question 26

A chemical change that releases energy

Answer 26

Exothermic Change

Question 27

The energy stored in the chemical bonds between atoms

Answer 27

Chemical Energy