The Scientic Method

Question 1

what is science

Answer 1

analysis, experiments, observations

Question 2

scientific findings are not supposed to be accepted based on

Answer 2

-the prestige or convincing powers of scientists
-or to support the expected outcome of investors

Question 3

what is discovery science

Answer 3

science that is describing nature based on qualitative date (no experiments)

Question 4

what is hypothesis based science

Answer 4

science that explains nature using quantitative data (using experiments)

Question 5

what are the 7 steps of the scientific method

Answer 5

1. make observations
2. ask questions
3. form a hypothesis
4. make a prediction (if, then)
5. test the prediction (plan and perform experiments to collect data)
6. interpret data
7. draw conclusions

Question 6

what is a hypothesis

Answer 6

educated guess that explains a phenomenon or answers a scientific question (genrate predictions)

Question 7

a hypothesis must be…

Answer 7

falsifiable (can be right or wrong)

Question 8

how should you conclude results

Answer 8

the data supports the hypothesis or the data fails to support

Question 9

what is a control variable

Answer 9

variable that is the same in the experimental and control group

Question 10

what is a control group

Answer 10

group that is used to compare to the experimental group (doesn’t get treatment)

Question 11

what is a theory

Answer 11

a well sustained explanation for a set of verified hypotheses

Question 12

what is an independent variable

Answer 12

variable being manipulated

Question 13

what is a dependent variable

Answer 13

variable that is being tested

Question 14

what is a comfounding variable

Answer 14

variables that cannot be controlled, need to be taken under consideration

Question 15

what are the components of a controlled experiment

Answer 15

experimental group (receives experiemnt) and control group (doesn’t receive experiement)

Question 16

how do we avoid biases

Answer 16

neither the researchers or groups know who got the drugs or the placebo

Question 17

what is a replicate

Answer 17

experiment being done multiple times to see the variability in the data obtained and to verify the experiment

Question 18

why is it important to have a a good sample size

Answer 18

more likely to draw accurate conclusions, but not large enough to waste ressources

Question 19

ethics in science

Answer 19

don’t change data, write everything down to allow reproduction and take care of living things and avoid contamination of viruses