ch.A section 1 & 2

Question 1

a way of learning about the natural world

Answer 1

science

Question 2

using one or more of your sense to gather information

Answer 2

observing

Question 3

deals with numbers/amouts

Answer 3

quantative

Question 4

deals with descriptions that cannot be expressed using numbers

Answer 4

Qualatative

Question 5

groupig items that are alike in some way

Answer 5

classifying

Question 6

when you can explain or interpret things that you observe

Answer 6

inferring

Question 7

making a statement or a claim about what will happen in the future based on past experiences/evidence

Answer 7

prediction

Question 8

based on prior knowledge and from what you observe

Answer 8

inferring

Question 9

NOT DEFINITION: attempts to explain what has already happened

Answer 9

inferences

Question 10

NOT DEFINITION: forecasts about what will happen

Answer 10

prediction

Question 11

NOT DEFINITON: require data/facts

Answer 11

predictions and inferences

Question 12

involves evaluating observations and data to reach a conclusion

Answer 12

analyzing

Question 13

standard measurement system based on the number 10

Answer 13

metric system

Question 14

what version of the metric system do modern scientists use

Answer 14

the international system of units

Question 15

what is the abbreviation for the internationasl system of units

Answer 15

SI

Question 16

the measure of the amount of matter in an object

Answer 16

mass

Question 17

what is the basic SI unit for length

Answer 17

meters (m)

Question 18

the basic unit for mass in the SI

Answer 18

kilograms (kg)

Question 19

the measure of the force of gravity acting on an object

Answer 19

weight

Question 20

the basic SI unit for weight

Answer 20

newton (N)

Question 21

used to measure time in SI

Answer 21

seconds (s)

Question 22

SI unit for temperature in science

Answer 22

kelvin (K)

Question 23

the amount of space taken up by an object/substance

Answer 23

volume

Question 24

formula for volume

Answer 24

V= lwh

Question 25

curve of a liquid

Answer 25

meniscus

Question 26

formula for finding the volume of irregular shapes

Answer 26

(Object-water Volume)-OG volume

Question 27

the measure of how much mass is in a given volume

Answer 27

density

Question 28

formula for density

Answer 28

density=mass/volume

Question 29

what is silver's density

Answer 29

10.499 cm cubed

Question 30

what unit of measure should volume be in?

Answer 30

cm3 or mL

Question 31

an expirement in which only one variabl is changed at a time

Answer 31

controlled expirement

Question 32

an error in the design of the expirement

Answer 32

bias expirement

Question 33

a repetition of an expirement

Answer 33

repeated trial

Question 34

an attempt by a different group of scientists to conduct the same expirement

Answer 34

replicated expirement

Question 35

data that doesn't fir the rest of the data

Answer 35

anomolous data

Question 36

data that doesn't fit the rest of the data; found in graphs

Answer 36

outliers

Question 37

which variable is on the x-axis

Answer 37

IV

Question 38

which variable is on the y-axis

Answer 38

DV

Question 39

an approximation of a number, based on reasonable assumptions

Answer 39

estimation

Question 40

how close the measurement is to the true or accepted value

Answer 40

accuracy

Question 41

how close a group of measurements are to each other

Answer 41

precision

Question 42

used to communicate how precise measurements are

Answer 42

significant figures

Question 43

percent error formula

Answer 43

expiremental value-true value/true value(100)

Question 44

the ongoing process of discovering in science

Answer 44

scientific inquiry

Question 45

a possible answer to a scientific question

Answer 45

hypothesis

Question 46

a generalazation that makes sense of observations by using logical reasoning

Answer 46

scientific explanation