Chapter 1 Test

Question 1

What is matter

Answer 1

anything that has mass and takes up space

Question 2

Everything is made of _____

Answer 2

matter

Question 3

Matter can have many different ________

Answer 3

properties/characteristics

Question 4

What is Chemistry

Answer 4

the study of matter and how it changes

Question 5

What is a substance

Answer 5

a single kind of matter that always has a specific makeup or composition

Question 6

Every form of matter has 2 types of properties:

Answer 6

physical and chemical properties

Question 7

What is a physical property

Answer 7

a characteristic of a substance that can be observed without changing it into another substance

Question 8

What is a chemical property

Answer 8

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

Question 9

State of matter is what type of property

Answer 9

physical

Question 10

What is an element

Answer 10

a substance that can’t be broken down into any other substance

Question 11

What is the simplest substance

Answer 11

an element

Question 12

What is used to identify elements

Answer 12

physical and chemical properties

Question 13

What is all matter made of

Answer 13

atoms

Question 14

What is the basic particle

Answer 14

an atom

Question 15

Why do elements have different properties

Answer 15

because their atoms are different

Question 16

What forms between 2 atoms when they combine

Answer 16

a chemical bond

Question 17

What is it called when 2 atoms combine with a chemical bond

Answer 17

a Molecule

Question 18

What is a chemical bond

Answer 18

force of attraction between 2 atoms

Question 19

What is a compound

Answer 19

a substance made of 2 or more elements chemically combined in a set ratio

Question 20

What represents a compound

Answer 20

a chemical formula

Question 21

What is a chemical formula

Answer 21

a formula representing the elements in a compound and the ratio of atoms

Question 22

What is a mixture

Answer 22

2 or more substances in the same place but their elements are not bonded

Question 23

Does each substance in a mixture keep its own properties

Answer 23

yes

Question 24

What are the 2 types of mixtures

Answer 24

heterogeneous and homogeneous

Question 25

Whats the difference between a homogeneous and heterogeneous mixture

Answer 25

Homogeneous is hard to seperate and heterogeneous isn't

Question 26

What are the 4 methods to seperate a mixture

Answer 26

evaporation, distillation, magnetic attraction, filtration

Question 27

What is weight

Answer 27

the measure of the force of gravity on something/someone

Question 28

What is weight dependent on

Answer 28

the force of gravity on the planet

Question 29

What is mass

Answer 29

the amount of matter in an object (doesn't change with gravity)

Question 30

Mass is what type of property

Answer 30

physical

Question 31

What do scientists use to measure the properties of matter

Answer 31

The International System of Unites (French:Systeme International d'Unites Abreveation: SI)

Question 32

What is the SI unit for mass

Answer 32

kilogram (kg)

Question 33

What is volume

Answer 33

the amount of space matter occupies

Question 34

What is the SI unit of volume

Answer 34

cubic meter (m3)

Question 35

How do you calculate the volume of something

Answer 35

LxWxH

Question 36

What is density

Answer 36

the measure of the mass in a given volume (g/[volume unit])

Question 37

How do you find Density

Answer 37

Mass divided by volume

Question 38

What is the density of water

Answer 38

1 g/cm3 (objects with higher density sink, lower float)

Question 39

What are the 3 states of matter

Answer 39

solid, liquid, gas

Question 40

What type of change is dissolving

Answer 40

physical (mixture)

Question 41

What is the law of conservation of mass/matter

Answer 41

Matter can not be created or destroyed

Question 42

What does every chemical and physical change include

Answer 42

a change in energy

Question 43

Can energy be created or destroyed?

Answer 43

no, only transformed into different forms

Question 44

What is temperature

Answer 44

the measure of how hot or cold something is

Question 45

What is temperature related too

Answer 45

the energy of motion of the particles of matter

Question 46

What is thermal energy

Answer 46

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

Question 47

What does thermal energy naturally flow to

Answer 47

warmer to cooler matter

Question 48

What is an endothermic change

Answer 48

a change where energy is absorbed

Question 49

What is an exothermic change

Answer 49

a change where energy is realesed

Question 50

What is chemical energy

Answer 50

the energy stored in the chemical bonds between atoms