Biology Chapter 1

Question 1

What is the metric system

Answer 1

a system of mesurement where each incrament is 10 times bigger than the last

Question 2

Metric prefixes and order

Answer 2

kilo
hecto
deka
BASE
deci
centi
milli

Question 3

How to find the margin of error

Answer 3

meters- + or - 5
liters- + or - 1

Question 4

how to translate metric system to inches/yards etc.

Answer 4

EX: 6.43m to in (1 m = 39.37)

6.43 * 39.37 =253

Question 5

Sig Figs

Answer 5

any integer other than zero except when it is surrounded by sigfigs or at the end of the number

Question 6

When should you use sig figs

Answer 6

ANY scientific measurement

Question 7

meniscus

Answer 7

the slight dip in a liquid observed in a volumetric flask

Question 8

Celcius to Farenhieght

Answer 8

F = (9/5C) + 32

Question 9

Farenhieght to Celcius

Answer 9

C = 5/9 (F-32)

Question 10

Celcius to Kelvin

Answer 10

K = C + 273

Question 11

Controlled Experiment

Answer 11

an experiment where only one variable is tested at a time

Question 12

Responding Variable

Answer 12

the variable that is observed and that changes in response to the manipulated variable

Question 13

Theory

Answer 13

well tested explanation that unifies a broad range of observations

Question 14

Homeostasis

Answer 14

the process by which organisms must keep internal conditions, such as temperature and water content, fairly constant to survive

Question 15

Why does our earth not overheat?

Answer 15

Homeostasis and water, water doesn’t change temperature quickly so the oceans regulate the temperature of the earth.

Question 16

Induction versus deduction

Answer 16

Induction is reasoning from an example to a general population (generalizing), deduction is the opposite

Question 17

What are the 5 types of reasoning?

Answer 17

Innate, revelation, paranormal, dogmatism => non scientific
Empiricism => scientific

Question 18

Innate

Answer 18

gut feeling

Question 19

revelation

Answer 19

“It came to me in a dream”

Question 20

paranormal

Answer 20

tea leaves, crystals, etc.

Question 21

dogmatism

Answer 21

religion or folklore

Question 22

Empiricism

Answer 22

beliefs based on knowledge from practical observation

Question 23

Science definition

Answer 23

Science is the process of going from an empirical question to an answer and back to another question.

Question 24

what are the components of a scientific experiment

Answer 24

control group and ONE variable

Question 25

accuracy

Answer 25

nearness of a measurement to an expected value

Question 26

precision

Answer 26

nearness of a measurement to other data.

Question 27

When measuring what is the number of sig figs you should have?

Answer 27

all the certain digits + the first uncertain

Question 28

What are the two types of error?

Answer 28

Random (equal chance of being above or below expected value, why we repeat experiments) Systematic (problem with your tools

Question 29

can graduated cylinders contain and dispense?

Answer 29

Yes, depending on their marking