Introduction

Question 1

matter

Answer 1

has mass and takes up space, anything that takes up space

Question 2

mass

Answer 2

the amount of “stuff” something contains

Question 3

weight

Answer 3

the measure of the gravitational pull on an object

Question 4

space

Answer 4

volume an object

Question 5

density

Answer 5

mass divided by volume

Question 6

solids

Answer 6

have a definite volume and shape

Question 7

liquids

Answer 7

definite volume and take the shape of their containers

Question 8

gases

Answer 8

no definite shape or volume

Question 9

aqueous

Answer 9

a solution where the solvent is water, combination as water and another state of matter but considered one state of matter

Question 10

atom

Answer 10

smallest particle of matter

Question 11

element

Answer 11

a pure substance made of only one ttype of atom

Question 12

compound

Answer 12

when two or more different atoms chemically bond

Question 13

molecule

Answer 13

smallest particle of a compound, made when two or more atoms chemically bond

Question 14

mixtures

Answer 14

two or more different types of molecules, elements, or compounds not chemically bonded

Question 15

homogeneous compounds

Answer 15

one phase, can’t distinguish

Question 16

heterogeneous compounds

Answer 16

two phase, not same, tell there is a difference after change

Question 17

dimensional analysis

Answer 17

uses equalities as conversion factors to solve conceptual problems mathematically

Question 18

C to F conversion

Answer 18

[ ( F + 40 ) 5/9 ] - 40 = C

Question 19

F to C conversion

Answer 19

[ ( C + 40 ) 9/5 ] -40 = F

Question 20

C to K conversion

Answer 20

C + 273 = K

Question 21

Mega (M)

Answer 21

1x10^6, or 1,000,000

Question 22

Kilo (K)

Answer 22

1x10^3, or 1000

Question 23

Decka (DK)

Answer 23

1x10^1, or 10

Question 24

deci (d)

Answer 24

1x10^-1, or 0.1

Question 25

centi (c)

Answer 25

1x10^-2, or 0.01

Question 26

milli (m)

Answer 26

1x10^-3, or 0.001

Question 27

micro ( )

Answer 27

1x10^-6, or 0.0000001

Question 28

nano (n)

Answer 28

1x10^-9, or 1/ 1 billion

Question 29

pico (p)

Answer 29

1x10^-12, or 1/ 1 trillion

Question 30

filtration

Answer 30

separation based on solubility differences

Question 31

re-crystalization

Answer 31

separation based on boiling point differences (liquid/solid)

Question 32

distillation

Answer 32

separation based on boiling point differences in liquids

Question 33

chromatograohy

Answer 33

separation based on particle size

Question 34

scientific method

Answer 34

1.make observations 2.collect data 3.form your hypothesis 4.test your hypothesis 5. conslusion

Question 35

chemical change

Answer 35

bonds are formed or broken