Shared Flashcard Set

Details

Active Biology
Mrs. Kiley's Quiz Review 10/20
32
Biology
9th Grade
10/16/2009

Additional Biology Flashcards

 


 

Cards

Term
What is an observation?
Definition
a direct method of gathering info about a natural phenomenon in an orderly way
Term
What does it mean to use inferencing?
Definition

combining what you already know with what you have learned to begin making logical conclusions.
    (an assumption based upon prior experiences)

 

Term
When we see smoke, we __________ fire.
Definition
infer
Term
What does it mean to make an observation?
Definition
when studying something describe only facts that you can see, touch, smell and hear.  You are not making any guesses
Term
[image]
Definition

What can you observe

about this can if

you are standing

next to it?

Term
Can an observation be an opinion?
Definition
NO - Observation is NOT an opinion.
Term
After you observe something you can make an inference by...
Definition
using your observations to make a guess about an object or an outcome
Term
Can an inference be an opinion?
Definition
Yes, an inference can be an opinion.
Term
What is a hypothesis?
Definition
testable explanation for a question, problem, or situation
Term
What is serendipity?
Definition
the occurrence of accidental or unexpected, but fortunate results… scientists who made breakthroughs that they were not even looking for
Term
What does it mean to experiment?
Definition
to investigate a phenomenon in a controlled setting to test a hypothesis
Term
What do controlled experiments have?
Definition
a control group AND an experimental group
Term
What is a control group?
Definition
a group used for comparison, do not have the experimental variable
Term
What is an experimental group?
Definition
the group exposed to the factor that is being tested
Term
What is an independent variable?
Definition
the tested factor, it might affect the outcome of the experiment, what is being manipulated or changed
Term
What is a dependent variable?
Definition
what is measured, this results from or depends on the changes made to the independent variable
Term
What is a constant?
Definition
a factor that remains fixed (also called control factor)
Term
Independent variables answer the question...
Definition
What do I change?
Term
Dependent variables answer the question
Definition
What do I observe?
Term
Controlled variables answer the question
Definition
What do I keep the same?
Term
Constant variables (control factors) answer the question
Definition
What uninteresting variables might influence the effect of the IV on the DV?"
Term
What is data?
Definition
information gained from observations, many experiments use both:quantiatative and qualitative
Term
What are the two types of data?
Definition
Quantitative and qualitative
Term
What is quantitative data?
Definition
numerical data that is easy to analyze statistically (averages, graphs)
    measurements of time, temp.,length, mass, area, volume, density, etc…
Term
What is qualitative data?
Definition
descriptions from 5 senses, give a more in depth and rich description
    (sometimes is the only data you can get)
Term
What are investigations?
Definition
what we call it when the procedure involves observation and collection of data rather than controlled manipulation of variables (this is not using a control group…)
Term
Discovering and identifying new species is an example of an...
Definition
Investigations
Term
When you analyze data, data are displayed in...
Definition
graph or table
Term
Dislaying data in a graph or table helps to...
Definition
analyze the data for a trend or pattern
Term
When you analyze data, three reasons to meet with other biologists are:
Definition

1) to examine for avoiding bias,

2) repeating their trials

3) to determine if sample size is large enough

Term
Can you learn from an unsupported hypothesis?
Definition
Yes
Term
Findings/conclusions are Findings/conclusions are...
Definition
reported in scientific journals that are peer reviewed
Supporting users have an ad free experience!