Honors Biology Test

What are the steps and meaning of each to the scientific method

Science explanation that can be tested

How to write an alternative hypothesis

If…then statement

What is the independent variable

Anything that can change

What is the dependent variable

anything that can be measured

What is a constant variable

Variable that is being held steady

Compare control group and experimental group

Control group is not being tested and used for comparison and experimental group is the group with the independent variable

what is a positive control vs a negative control group?

positive has a positive result to compare to and a negative has no result to compare to

How to design and improve the validity of experiments

testing 1 variable at a time, fair and unbiased, must be repeatable

Valitidy- increasing amount of constants, having a large sample size, adding a control group, repeating the experiment for several trials

compare and contrast a theory, law, and hypothesis

A theory is when a well tested hypothesis is supported by MANY experiments, a law is a description of observable phenomena in the natural world, and a hypothesis is a well supported explanation that can be tested

Define Qualitative data and Quantitative data

Qualitative data is in the form of a description and Quantitative data is in the form of numbers or measurements

What are the 8 characteristics of life?

Organization, DNA, Reproduction, Growth, Energy, Response, Regulation, Adaptation