notes quiz

Question 1

a reasonable explanation (testable)

Answer 1

hypothesis

Question 2

a series steps that tests a hypothesis

Answer 2

experiment

Question 3

what the scientist changes (can be time) ex: the juice given to the workers in simpson WS

Answer 3

independent variable

Question 4

changes due to the independent variable ex: the productivity of the workers in the simpsons WS

Answer 4

dependent variable

Question 5

a group that is held constant; the norm ex: the workers not given the juice in simspns

Answer 5

control group

Question 6

info gathered during an experiment

Answer 6

data

Question 7

summary of the scientists findings; refers back to the hypothesis

Answer 7

conclusion

Question 8

a summary or description of general principal s found throughout science (summaries)

Answer 8

scientific laws

Question 9

an established hypothesis proven to be true by multiple experiments by many scientists (explanations) **THEY ARE JUST AS TRUE AS LAWS

Answer 9

scientific theories

Question 10

units of ten

Answer 10

metric system

Question 11

measures length and uses meter stick =100 cm

Answer 11

meter

Question 12

measures mass and uses a balance

Answer 12

gram

Question 13

measures volume use graduated cylinder

Answer 13

liter

Question 14

measures temperature use thermometer

Answer 14

celcius

Question 15

1/100th or .01

Answer 15

centi

Question 16

1/1000 or .001

Answer 16

milli

Question 17

multiplication of 1000

Answer 17

kilo

Question 18

how close to the true value you are

Answer 18

accuracy

Question 19

how close your measurements are to each other

Answer 19

precision

Question 20

reminder:

Answer 20

ALWAYS READ BETWEEN THE LINES!!! - your value is always 1 decimal further than the measuring tool shows

Question 21

_____ is a derived measurement

Answer 21

density

Question 22

D=m/v ex: 40.0g/20.0mL= 2.0 g/mL

Answer 22

distance equals mass divided by volume

Question 23

higher density will _____

lower density will _____

Answer 23

sink; float

Question 24

water has a density of ___ g/mL

Answer 24

1.0 g/mL anything or below will float, anything over or at 1.0 will sink

Question 25

a group of related sciences that deal with the planet earth and its neighbors in space

Answer 25

earth science

Question 26

science that examines earth, its composition and changes its undergone and undergoing

Answer 26

geology

Question 27

the study of weather and climate

Answer 27

meteorology

Question 28

study of water systems on earth

Answer 28

hydrology

Question 29

the scientific study of the universe

Answer 29

astronomy

Question 30

study of interactions between living and non living things in an environment

Answer 30

environmental science

Question 31

all of water on earth (71%)

Answer 31

hydrosphere

Question 32

thin blanket of air surrounding earth

Answer 32

atmosphere

Question 33

region of earth where life is found- includes portions of other 3 spheres

Answer 33

biosphere

Question 34

mostly solid portion of earth lying below atmosphere and hydrosphere

Answer 34

geosphere

Question 35

our solar system is found on a spiral ___ in the ____ ___ galaxy

Answer 35

arm; milky way

Question 36

earth is divided into 2 hemispheres: _____ and _____

Answer 36

north and south

Question 37

the distance north and south from the equator measured in degrees (horizontal line)

Answer 37

latitude

Question 38

the distance east and west of the prime meridian measured in degrees (vertical lines)

Answer 38

longitude

Question 39

___ is always listed first

Answer 39

latitude

Question 40

lines of latitude are …

Answer 40

69 degrees apart

Question 41

prime meridian

Answer 41

imaginary vertical line that separates earth in two parts

Question 42

equator

Answer 42

imaginary horizontal line that separates earth in 2 parts