Matter and Energy Vocab

Question 1

The smallest particle of an element.

Answer 1

atom

Question 2

The force that hold two atoms together.

Answer 2

chemical bond

Question 3

A change in matter that produces new

substances.

Answer 3

chemical change

Question 4

Describes how a substance will react and
change into something new when in the
presence of another substance. It can only be observed at the molecular level.

Answer 4

chemical property

Question 5

The study of the properties of matter and how matter changes.

Answer 5

chemistry

Question 6

A substance made of two or more elements, chemically combined in a set ratio.

Answer 6

compound

Question 7

The measure of how much mass of a

substance is contained in a given volume, a physical property.

Answer 7

density

Question 8

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

Answer 8

element

Question 9

The ability to do work or cause change.

Answer 9

energy

Question 10

A measure of how much matter is in an

object.

Answer 10

mass

Question 11

Anything that has mass and occupies space.

Answer 11

matter

Question 12

Two or more substances that are mixed

together but not chemically combined.

Answer 12

mixture

Question 13

A change that alters the form or appearance of a substance but does not make the material into another substance or change its chemical properties.

Answer 13

physical change

Question 14

A characteristic of a substance that can be observed/measured without changing the substance into something else.

Answer 14

physical property

Question 15

A single kind of matter that has distinct

physical and chemical properties.

Answer 15

substance

Question 16

The amount of space that matter occupies.

Answer 16

volume

Question 17

A measure of the force of gravity on an

object.

Answer 17

weight

Question 18

A table organizing the elements by increasing atomic number. There are 7 rows & 18
columns which indicate their properties.

Answer 18

Periodic Table

Question 19

Physical forms in which a substance can exist, states include solid, liquid, gas & plasma.

Answer 19

Phases of Matter

Question 20

When a substance changes from one physical form to another, due to changes in energy.

Answer 20

Phase Change

Question 21

Letters used to represent the chemical name of an element.

Answer 21

Chemical Symbol

Question 22

Letters & numbers used to represent the

atoms of a particular compound

Answer 22

Chemical Formula

Question 23

Process that produces chemical change,
resulting in a new substance that has
properties different from those of the original
substance.

Answer 23

Chemical Reaction

Question 24

A solid that forms out of a solution.

Answer 24

Precipitate

Question 25

Homogeneous mixture of one or more

substances dissolved in liquids, in only one phase.

Answer 25

Solution

Question 26

Matter made up of atoms of only one kind.

Answer 26

Element