Scientific method Flashcards
Whats a acronym for the 8 characteristics of life, and what does it stand for
HOG RACER, Homeostasis Organization Growth Reproduce Adaptation Cells Energy Reaction
How can you identify the independent variable
Find what you can change
Whats a hypothesis
an untested idea made before an experiment
Whats a theroy
Explains how and why something happens
Whats a law?
It tells us that it happens but not why
What are the 6 steps of an experiment
Ask question, background research, hypothesis, perform experiment, analyze, form conclusions
Whats the dependent variable
relies on the independent variable
When does a hypothesis become a theory
when it becomes widely accepted and proven
Of hypothesis theory and law, which one can be changed and improved
All of them
Of hypothesis theory and law, which has been repeatedly tested and supported
theory and law
Of hypothesis theory and law, which one can often be expressed by a math equation
law
Of hypothesis theory and law, which one can never change
none of them
Why does a good experiment need a control group
It shows weather there was a real effect or it was just the placebo effect, Control groups allow comparison between subjects receiving a treatment and those receiving no treatment.
whats a constant
a part of the experiment that never changes
whats qualitative data
data that involves description
