Matter

Front 1

________________________ is anything that has mass and takes up space.

Back 1

MATTER

Front 2

_____________________________________ are characteristics of a substance (like color, size, solubility, or density) that can be observed or measured without changing the substance into something else.

Back 2

PHYSICAL PROPERTIES

Front 3

_____________________ is the amount of matter in an object.

Back 3

MASS

Front 4

_____________________ is a measure of the pull of gravity on an object.

Back 4

WEIGHT

Front 5

Weight is measured on a _________________________ scale.

Back 5

SPRING

Front 6

Mass is measured on a __________________________.

Back 6

BALANCE

Front 7

_________________________ is the amount of space that an object takes up.

Back 7

VOLUME

Front 8

You can measure the volume of a solid object by placing the object in a graduated cylinder with water and measuring how much water is ______________________________.

Back 8

DISPLACED

Front 9

____________________ is the concentration of matter in an object.

Back 9

DENSITY

Front 10

You can divide the mass of an object by its volume to find the object’s __________________________.

Back 10

DENSITY

Front 11

A pure substance always has the _____________________ density when measured under the same conditions.

Back 11

SAME

Front 12

True or False: The density of an object is a physical property.

Back 12

TRUE

Front 13

True or False: Changing the shape and amount of an object will also change its density.

Back 13

FALSE

Front 14

A ________________________ is a combination of two or more different kinds of matter, each of which keeps its own physical properties.

Back 14

MIXTURE

Front 15

Sometimes the ability to be dissolved, or ___________________, can be used to identify a substance.

Back 15

SOLUBILITY

Front 16

True or False: A solution is a type of mixture.

Back 16

TRUE

Front 17

A person's weight is _______________ on a high mountain than it is at sea level.

Back 17

DIFFERENT

Front 18

A _______________________ has a definite shape and a definite volume. The particles are tightly packed together.

Back 18

SOLID

Front 19

A ________________________ has a definite volume but no definite shape The particles are not packed together and slide over one another.

Back 19

LIQUID

Front 20

A ______________________ does not have a definite shape or volume. The particles are far apart.

Back 20

GAS

Front 21

_________________________ changes a substance from a liquid to a gas.

Back 21

EVAPORATION

Front 22

____________________ changes a substance from a gas to a liquid.

Back 22

CONDENSATION

Front 23

_________________ changes a liquid to a solid.

Back 23

FREEZING

Front 24

Changes in which no new substances are formed are

_______________________ changes.

Back 24

PHYSICAL

Front 25

Changes in which one or more new substances are formed are called _____________________ changes or reactions.

Back 25

CHEMICAL

Front 26

Production of heat, light, or gas, or a change in color are signals of a ______________ change or reaction.

Back 26

CHEMICAL

Front 27

The ability of a substance to react chemically or go through a chemical change is called _________________________.

Back 27

REACTIVITY

Front 28

The ability of a substance to burn is called ____________________.

Back 28

COMBUSTIBILITY

Front 29

True or false: Rusting iron is a physical change.

Back 29

FALSE

Front 30

________________ tests can be used to identify substances based on the color of the flame they produce.

Back 30

FLAME

Front 31

The strength of acids and bases can be measured using dyes called ________________________.

Back 31

INDICATORS

Front 32

An ______________________ is a combination of a metal and other substances, such as oxygen, sulfur, carbon, or silicon.

Back 32

ORE