Variables
What is the root word for dependent?
To Depend
A way of learning about the natural world
What is the first step in the process of the Scientific Method?
Question/Observation
Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the independent variable?
Type of fertilizer
What is a dependent variable?
The outcome, or result of an experience. The variable that DEPENDS on the independent variable.
Homeostasis
process by which organisms maintain a relatively stable internal environment
What are the two types of data?
Molly investigated if the age of students caused them to be better drivers. What is the dependent variable?
Skill of driving
What is the independent variable?
The variable that you are manipulating as the experimenter.
biome
A group of ecosystems that share similar climates and typical organisms
What is an example of quantitative data?
numbers
Sam wanted to know if the color of the chair you sat in when taking a test affected your test grade. What is the independent variable?
Color of the chair
Does heating a cup of water allow it to dissolve more sugar?
The 2 variables: 1. water temperature 2. amount of dissolved sugar.
What is the dependent variable (DV)?
Amount of dissolved sugar.
Bias
is the assumption that a theory is true or false without evidence one way or another, often on political or ideological grounds.
What is an example of qualitative data?
colors of a plant
Ms. Jipping wanted to know if the iPhone could stand up against being dropped from different heights. She dropped them from 3 heights and saw if they broke. What is the dependent variable?
If they broke
The changes that occur in an experiment that are directly caused by the experimenter (you) are called ___________.
Independent Variable
levels of organization (smallest to largest)
atom, molecule, organelle, cell, tissue, organ, organ system, organism
What are the main differences between a hypothesis, a conclusion, and a theory?
Hypothesis: initial guess
Conclusion: current answer, but need more research
Theory: accepted worldwide as the current best explanation
What axes is the independent variable usually on?
X-axis