Matter and Change TEST

Question 1

What is a means of testing a hypothesis?

Answer 1

Experiment

Question 2

What is a quality or condition of a substances’ composition?

Answer 2

Physical Property

Question 3

What is a matter with a definite shape AND a definite volume?

Answer 3

Solid

Question 4

What is an approach to a solution of a scientific problem?

Answer 4

Scientific Method

Question 5

What is matter that flows and has a definite volume - BUT NOT a definite shape?

Answer 5

Liquid

Question 6

What is matter that take the shape and volume of the container?

Answer 6

Gas

Question 7

What is another name for a homogeneous mixture?

Answer 7

Solution

Question 8

What is a mixture that looks the same throughout?

Answer 8

Homogeneous

Question 9

What is a combination of 2 or more chemicals that cannot be broken down by physical means?

Answer 9

Compounds

Question 10

What is the study of substances and the changes they undergo?

Answer 10

Chemistry

Question 11

What are the building blocks of matter?

Answer 11

Elements

Question 12

What is the type of chemistry that studies all substances WITHOUT carbon?

Answer 12

Inorganic Chemistry

Question 13

What is anything that has mass and takes up space?

Answer 13

Matter

Question 14

What is the type of chemistry that studies the composition of substances?

Answer 14

Analytical Chemistry

Question 15

What is the chemical symbol for Sodium?

Answer 15

Na

Question 16

What is the chemical symbol for Potassium?

Answer 16

K

Question 17

What is the chemical symbol for sulfur?

Answer 17

S

Question 18

What is the chemical symbol for silver?

Answer 18

Ag

Question 19

When would a chemical change occur in a piece of wood?

Answer 19

When it is burned or when he decays

Question 20

What are some examples of a physical change?

Answer 20

Freezing or melting
Boiling or condensing
Cutting or grinding

Question 21

What is a property that depends on the amount of matter a sample has?

Answer 21

Extensive

Question 22

What is the starting substances of a reaction?

Answer 22

Reactant

Question 23

What is the term for what elements are represented by?

Answer 23

Chemical symbol

Question 24

What is the process where a liquid is boiled - turns into a vapor - and then is condensed back into a liquid?

Answer 24

Distillation

Question 25

What describes a substance that although is in a gaseous state - it is typically a liquid or solid at room temperature?

Answer 25

Vapor

Question 26

What is a particular type of matter that has uniform and a definite compostition?

Answer 26

Substance

Question 27

What is a type of EXTENSIVE property?

Answer 27

Mass

Question 28

Which of the following would be a compound? oxygen hydrogen water carbon

Answer 28

Water H2O

Question 29

Which term does NOT fit with the other on the list? ice orange juice water steam

Answer 29

ice / water / steam are all the same compound just at different stages Orange juice is the answer

Question 30

What type of matter is gas?

Answer 30

it takes the shape and volume of the container

Question 31

What type of change occurs when iron and oxygen combine to form iron oxide?

Answer 31

a chemical change

Question 32

Be able to state if the following is an ELEMENT / COMPOUND / HETEROGENEOUS MIXTURE / HOMOGENEOUS MIXTURE Aluminum phosphorous Soil Hydrogen peroxide Water vegetable soup Coffee apple juice Copper granite Fruit salad table salt hydrogen

Answer 32

Aluminum - element phosphorous - - element Soil - - heterogeneous mixture hydrogen peroxide - - compound Water - - compound vegetable soup - - heterogeneous mixture Coffee - - homogeneous mixture apple juice - - homogeneous mixture Copper - - element granite - - heterogeneous Fruit salad - - heterogeneous mixture table salt - - compound hydrogen - - element

Question 33

Be able to stat if the following is a PHYSICAL or CHEMICAL change digesting food crushing chalk melting ice iron rusting breaking glass cutting paper burning wood burning matches

Answer 33

digesting food - - chemical change crushing chalk - - physical change melting ice - - physical change iron rusting - - chemical change breaking glass - - physical change cutting paper - - physical change burning wood - - chemical change

Question 34

Be able to describe how you would separate sand and rice?

Answer 34

Use a sieve - to shake the sand through and the rice will remain in the sieve

Question 35

Be able to describe how you would separate salt and metal washers

Answer 35

Use a magnet to pick the metal washers from the pile

Question 36

Be able to state how to separate sand and salt

Answer 36

mix it with water - - drain the water from the substance and let both dry. When water evaporates you will have salt left over

Question 37

Be able to identify the elements and their symbol Aluminum Mercury Fe Ag Phosphorous Antimony Mn O Bromine Cobalt Cu Sn

Answer 37

Aluminum - - Al Mercury - - Hg Fe - - Iron Ag - - Silver Phosphorous - - P Antimony - - Sb Mn - - Manganese O - - Oxygen Bromine - - Br Cobalt - - Co Cu - - Copper Sn - - Tin

Question 38

What are the 4 signs that a chemical reaction has occured?

Answer 38

1) There is a color change 2) There is a transfer of energy 3) A precipitate has formed 4) There is a production of gas

Question 39

Be able to complete the matter chart

Answer 39

Ask Mrs. K for extra copies to practice