Chapter 1

Question 1

What is science limited to?

Answer 1

the natural world

Question 2

what is the scientific meathod?

Answer 2

Observation
Form a Hypothesis
Design a Controlled Experiment
Collect and Analyze Data
Interpret Data and Draw Conclusions

Question 3

noticing and describing an event or process

Answer 3

observation

Question 4

a possible explanation about an observation

Answer 4

inference

Question 5

tentative scientific explanation that can be tested by experiments

Answer 5

hypothesis

Question 6

factor that is deliberately changed (manipulating variable)

Answer 6

Independent Variable

Question 7

factor that is observed as a result (responding variable)

Answer 7

Dependent Variable

Question 8

groups being tested

Answer 8

experimental group

Question 9

the not changed group and used for comparison

Answer 9

control group

Question 10

information gathered from observations

Answer 10

data

Question 11

numbers obtained by counting and measuring

Answer 11

quantitative data

Question 12

descriptive characteristics

Answer 12

qualitative data

Question 13

What happens in “interpret data and draw conclusions” during the scientific meathod?

Answer 13

you correct your hypothesis if needed

Question 14

the experiment must contain large ___ and be ___ before a valid conclusion is reached.

Answer 14

sample sizes/repeated

Question 15

a well-tested explanation of events that unifies many repeated observations and hypotheses

Answer 15

Theory

Question 16

describes what nature does in certain situations, usually a mathematical statement

Answer 16

Law

Question 17

how is the independent variable plotted

Answer 17

x-axis

Question 18

how is the dependent variable plotted?

Answer 18

y-axis

Question 19

graph that shows relationship between two kinds of data in which the independent variable is continuous

Answer 19

Line graph

Question 20

graph used when there is no continuity between data

Answer 20

Bar graph

Question 21

graph used to compare percentages

Answer 21

Circle graph

Question 22

evaluation of work by others in the same field

Answer 22

Peer Review

Question 23

personal view for or against something with no scientific basis

Answer 23

Bias

Question 24

study of live

Answer 24

Biology

Question 25

What is the smallest unit of life

Answer 25

cells

Question 26

unicellular

Answer 26

one cell

Question 27

multicellular

Answer 27

multiple cells

Question 28

Do all living things reproduce?

Answer 28

Yes

Question 29

reproduction where new organism is an exact copy of a parent

Answer 29

Asexual reproduction

Question 30

reproduction where the new organism is a combination of the two parent’s cells

Answer 30

sexual reproduction

Question 31

Organisms are based on a universal genetic code. What is that code

Answer 31

DNA

Question 32

all organisms ___, ___, respond to their environment, ___, and ___

Answer 32

obtain and use energy, grow and develop and reproduce, use homeostasis, and evolve.

Question 33

anything in an organism’s external or internal environment that causes the organism to react

Answer 33

Stimulus

Question 34

regulation of an organism’s internal environment to maintain conditions suitable for survival

Answer 34

Homeostasis

Question 35

What is a virus

Answer 35

parasite

Question 36

What are parasites

Answer 36

they infect living things to reproduce

Question 37

What are the 8 characteristics of life?

Answer 37

Cellular organization, reproduction, metabolism, homeostasis, passing on genetics, responding to environment, growing, and evolving.