Biology: Scientific Method, Data Collection, and Measurement Techniques

be sure what you're doing is ______ and ___________

safe respectful

the scientific method- a general description of a way of thinking. A. it is a series of _________ steps that is followed in order to solve a problem

logical

B. test for only _________ variable when experimenting to test the hypothesis

one

Steps 1. state the ______ 2. ________ 3. Hypothesis or(________) 4 Test ___________

problem research educated guess hypothesis

Control = basis _____________

of comparison

independent Variable=__________________________

the one and only thing you change

dependent variable=_____________________

what you measure

graph= dependent variable which axis? _____________ Independent variable which axis? ___________________

y-axis x-axis

_____________ observations must be made carefully

all

____________ measurements must be done accurately

all

scientists use the International System if Units which is abbreviated as what? _________________

si

line graphs are best for displaying which type of data ______________

data that changes

Line graphs consist of how many variables?

2

Independent variable the value you choose ________________

measurement intervals

Dependent variables the value that depends on_____________________

what happens in the experiment

Bar Graphs work best when you want to __________________

compare several items or events

Bar graphs help to show how large_________________

or little differences in values are

Pie charts are particularly useful when you need to find

percentages

When you make a graph what goes on the top

the title

Line of best fit is used when________________

your data consists of averages

Length = ________

Meter

Volume = ___________

Liter

mass = ______________

grams

Time = _______________

second

degrees = ____________

temperature

kilo is = to what

1000

hecto is = to what

100

deca is = to what

10

basic unit is equal to what

1

deci is = to what

0

centi is = to what

0

milli is = to what

0

convert 153 kilograms to grams

153000

convert 153 grams to kilograms

0

what is the speed of light with exponents ( have to write to the power of)

3x10 to the power of 8

What's the amount of molecules in a liter of water with exponents put (to the power of)

6.02x10 to the power of 23

What's the definition for precision

the degree of exactness of a measurement

What's the definition of accuracy

the extent of which a measurement approaches the true value

When you're moving a decimal place, if it is positive you move it to the _________

left

When you're moving a decimal place, if it is negative you move it to the _________

right

basic needs number 1

water

basic needs number 2

composed of cells

basic needs number 3

have a life cycle

basic needs number 4

reproduce

basic needs number 5

highly ordered

basic needs number 6

evolve adapt and respond to environment

Only _________ percent of energy is passed to the next consumer

10

first hypothesis of the origin of life _______________

spontaneous generation

which experiment disproved spontaneous generation

maggot experiment

magnification means what

enlarge image

resolution means what

clarify of image