Scientific Method And Lab Saftey Vocabulary

Question 1

Observation

Answer 1

the process of collecting evidence

Question 2

Control

Answer 2

the thing that does not change in an experiment

Question 3

Measuring

Answer 3

to quantify something (how long, how much, how large)

Question 4

Variable

Answer 4

the part of the experiment that may change or vary

Question 5

Flammable

Answer 5

Capable of catching fire

Question 6

Corrosive

Answer 6

to wear away or be destroyed gradually

Question 7

Question

Answer 7

to ask

Question 8

Procedure

Answer 8

the steps to complete an experiment

Question 9

Classifying

Answer 9

the act of putting like things together

Question 10

Inferring

Answer 10

a logical conclusion based on what you know

Question 11

Communicating

Answer 11

sharing results in an understandable way

Question 12

Conclusion

Answer 12

the end of the scientific investigation

Question 13

Hypothesis

Answer 13

a tentative explanation for an observation or

phenomenon; an if then statement.

Question 14

Experiment

Answer 14

a test, trial,or tentative procedure; an act or operation for the purpose of discovering something unknown.

Question 15

Prediction

Answer 15

an expectation of what will be observed or what will

happen.

Question 16

Problem

Answer 16

what you are trying to solve in a scientific investigation.

Question 17

Solution

Answer 17

to answer a scientific investigation.

Question 18

Observation

Answer 18

the act of noting and recording an event, characteristic or anything detected.

Question 19

measure

Answer 19

to use a tool to learn more about the volume, length or weight of an object (related word: measurement)

Question 20

measurement

Answer 20

the collection of data (such as mass, volume, temperature, etc.) described by a standardized unit (such as kilogram, liter, degrees Celsius)

Question 21

observation

Answer 21

the act of watching over something or taking notice; in science, observations are carefully recorded as part of the scientific process

Question 22

inference

Answer 22

the process of reasoning by drawing a logical conclusion based on factual evidence

Question 23

classify

Answer 23

to group things based on similar characteristics (related word: classification)

Question 24

communicate

Answer 24

to give and receive information (related word: communication)

Question 25

investigate

Answer 25

to examine or ask questions in an organized way; to learn about something (related word: investigation)

Question 26

experiment

Answer 26

a series of steps used to figure out the effects of a certain factor on another factor; one way of testing a hypothesis (related word: experimental)

Question 27

hypothesis

Answer 27

a testable explanation for a problem or phenomena

Question 28

control

Answer 28

a part of an experiment that is used as a standard to compare experimental observation; it is treated the same as the other samples except that it is not exposed to the manipulated variables; controlled variables in an experiment are all the variables tha (it was cut off originally)

Question 29

variable

Answer 29

a quantity or condition that can be changed in an experiment (related term: vary, variation)

Question 30

dependent variable

Answer 30

a factor, trait, or condition that is affected when another factor, trait or condition is changed in a scientific experiment

Question 31

independent variable

Answer 31

in an experiment that is a fair test; the variable that a scientist changes

Question 32

solution

Answer 32

a mixture in which a solid and a liquid or two liquids are mixed so evenly, that it is not possible to see the separate particles

Question 33

conclusion

Answer 33

process of arriving at an inference, interpretation, or reason

Question 34

accuracy

Answer 34

how close a value is to the true value; in science, it is important to take accurate measurements

Question 35

precision

Answer 35

1) the exactness of a measurement; 2) the degree to which the results of an investigation show the same results

Question 36

trials

Answer 36

the act of undergoing testing

Question 37

metric system

Answer 37

a system of measurement based on multiples of 10

Question 38

data

Answer 38

recorded measurements or observations collecting during a scientific investigation

Question 39

predict

Answer 39

to guess what will happen in the future (related word: prediction)

Question 40

quantitative data

Answer 40

information or data that is based on quantities obtained using a quantitative measurement process

Question 41

qualitative data

Answer 41

qualitative information records qualities that are descriptive, subjective or difficult to measure

Question 42

x-axis

Answer 42

The line on the graph that runs horizontally (left-right) through zero; the independent variable is always graphed on the x-axis

Question 43

y-axis

Answer 43

The line on the graph that runs vertically (up-down) through zero; the dependent variable is always graphed on the y-axis