science inquiry

Question 1

what is science?

Answer 1

1. inquiry process, a way of finding out new information

2. body of knowledge gained by observation

Question 2

how do scientists avoid bias and error?

Answer 2

objectivity- (no allowing their own thoughts to influence how they see observations and results)

Question 3

what is a hypothesis?

Answer 3

a possible explanation or solution to a problem being answered

Question 4

what is a literature review?

Answer 4

the process of searching through materials (books internet, scientific reports) when searching for a solution to a problem to see what has already been discovered.

Question 5

what is the difference between validity and reliability?

Answer 5

validity is if an experiment is testing what it’s supposed to test, reliability is the extent to which the experiment gives the same result each time

Question 6

4 ethics involved in science

Answer 6

1. voluntary participation
2. informed consent
3. risk of harm
4. confidentiality

Question 7

experimental errors and how they can be avoided?

Answer 7

1. random errors: unpredictable errors,, can be reduced by taking several measurements of results and averaging them.
2. systematic errors: occur because of the way the experiment is designed. only solution is to change experimental procedure

Question 8

scientific model:

Answer 8

a simplified representation of an idea or process

Question 9

experimental group:

Answer 9

the group you expose to change in an experiment

Question 10

control group:

Answer 10

group you keep the same in an experiment