Chapter 1 Test

Question 1

what are the three states of matter in order from lowest kinetic energy to highest kinetic energy

Answer 1

Solid, Liquid, Gas

Question 2

is the sun matter or energy

Answer 2

Matter

Question 3

is the sunlight matter or energy

Answer 3

Energy

Question 4

is the earths atmosphere matter or energy

Answer 4

Matter

Question 5

is a blue whale energy or matter

Answer 5

Matter

Question 6

the heat in a sauna matter or energy

Answer 6

energy

Question 7

is the steam coming off of the stove in a sauna matter or energy

Answer 7

energy

Question 8

is your soul matter or energy

Answer 8

energy

Question 9

is your memories matter or energy

Answer 9

energy

Question 10

what are the 3 different categories that matter can be divided into?

Answer 10

solids, liquids and gasses

Question 11

what is a phase change

Answer 11

a change in the state of matter of a substance

Question 12

is energy absorbed or reased by you finger when you grab a hold of dry ice

Answer 12

absorbed

Question 13

what is a mixture

Answer 13

2 or more elements or compounds in the same place but not chemically combined

Question 14

is salt water a homogeneous or heterogeneous mixture

Answer 14

Homogeneous

Question 15

is milk a homogeneous or heterogeneous mixture

Answer 15

homogeneous

Question 16

is chunky beef stew homogeneous or heterogeneous mixture

Answer 16

heterogeneous

Question 17

what is chemistry

Answer 17

the study of matter and how it interacts, what it’s structure is and what properties it has

Question 18

explain how the property of a shape is different in the three states of matter

Answer 18

solids have a definite shape, keep their shape
Liquids shapes changes to fit its container
gasses have no true shape and they expand to fill their container

Question 19

would water be on mars be the same as the water on earth?

Answer 19

the water is the same no matter where it is located. if it is water it will have 2 hydrogens and 1 oxygens. water will always have those elements wherever they are.

Question 20

what is the difference a element and a compound

Answer 20

an element is the simplest form of matter while a compound is made up of specific elements chemically combined

Question 21

what is a mixture

Answer 21

2 or more elements or compounds in the same place but not chemically combined

Question 22

what are the 3 characteristics of compounds

Answer 22

1) the elements of a compound are always found in the same ratio
2) individual elements properties disappear when the compound is formed
3) compounds can be broken down into simplier substances or

Question 23

what two characteristics that matter must have

Answer 23

have mass and have volume

Question 24

what are intensive properties

Answer 24

they have the same in all sizes of a substance

Question 25

what are extensive properties

Answer 25

they depend on the amount of a sample

Question 26

what are some things that happen when it goes through a physical change

Answer 26

grinding, no new substance is formed, dissolving something

Question 27

what are some things that happen when it goes through a chemical change

Answer 27

a new substance is formed, a gas is produced, a precipitate forms, change in color, change in tempature, an order is produced

Question 28

what are happening to the water molecules and bonds when a pot of water is boiled

Answer 28

the water molecules will move faster and faster which will break the bonds between the water molecules

Question 29

how does the K.E change when you boil a pot of water

Answer 29

the kinetic energy increases when you add energy(heat the water)

Question 30

what is sublimation

Answer 30

when one state of matter gets skipped together

Question 31

what is kinetic energy

Answer 31

the energy produced from motion

Question 32

what is potential energy

Answer 32

energy that is available because of position or composition

Question 33

what is exothermic

Answer 33

what a change releases heat

Question 34

what is endothermic

Answer 34

when a change absorbs heat