Scientific Method

Question 0

Gel Electrophoresis

Answer 0

A test to compare DNA or proteins, DNA is cut with enzymes then it’s placed in wells. Small fragments fall to the bottom of the plate and big fragments to the top.

Question 1

Chromatography

Answer 1

A test to separate pigments(color),

Put pigment above water line

Question 2

Indicator

Answer 2

A chemical that changes color with another chemical
EX) Iodine=Amber
Iodine+starch= blue/black color

Question 3

Evidence

Answer 3

Support the idea that something is true

Question 4

Control

Answer 4

“Normal” with medicine studies=Placebo used for comparison

Question 5

Experiment

Answer 5

A series of tests that are done to support or refute(go against) a hypothesis

Question 6

Dependent variable

Answer 6

What to measure to answer the research question

Put on y axis
“Amt of”
“Rate of”

Question 7

Hypothesis

Answer 7

Educated prediction

If (we do this), then (this will happen)

Question 8

Independent variable

Answer 8

One per experiment
One factor that you change category
“Type of”

Question 9

Assumption

Answer 9

The belief that something is true

Question 10

Opinion

Answer 10

Ideas that are not based on fact, probably biased

Question 11

Placebo

Answer 11

Used for the control group in medicine studies

- saline(salt water) shot or sugar pill

Question 12

Sample size

Answer 12

• large group of test subjects
• must have a large sample size to have accurate and reliable data
• reduces effect of individual differences

Question 13

Theory

Answer 13

• a hypothesis that has supported many many times

- similar to a law but more complex understanding

Question 14

Scientific literacy

Answer 14

Applying critical thinking skills, understanding how proper science should be conducted

Question 15

Bias

Answer 15

Belief that is influenced by assumptions, you go to on épée sons side but not the others

Question 16

Inference

Answer 16

Conclusions based on observations, use of the results to make an educated guess

Question 17

Peer review

Answer 17

Several scientists examine the details of the experiment

Question 18

Conclusion

Answer 18

Decision about the results, final

Question 19

Controlled experiment

Answer 19

experiment where the only variation between groups is deliberated, this is when the normal group just gets the placebo

Question 20

Data

Answer 20

Information gathered from an experiment

Question 21

Hypothesis

Answer 21

An educated prediction, a tentative explanation to an observation

Question 22

Observation

Answer 22

Data that is collected by the sense

Ex) seeing

Question 23

Volume

Answer 23

The space an object occupies

Question 24

Mass

Answer 24

Quantity of matter

Question 25

Magnification

Answer 25

Enlarge the view of an object

Question 26

Compound light microscope

Answer 26

Magnifies translucent objects

Question 27

Dichotomous key

Answer 27

Chart with 2 options per level, used to classify organisms

Question 28

Dissection

Answer 28

Examination of preserved specimens

Question 29

Graduated cylinder

Answer 29

Tool used to measure liquid volume

Question 30

Metric ruler

Answer 30

Tool used to determine length in metric units

Question 31

Model

Answer 31

A representation of a concept that is difficult or impossible to view

Question 32

Stain

Answer 32

Chemical used to enhance microscopic view of biological samples

Question 33

Triple beam balance

Answer 33

Instrument used to find mass in grams

Question 34

MARIAH GIFFORD

PERIOD 4-5

Answer 34

Living Enviroment