Bio test August 17

Hypotheses

A testable explanation for observation based on experience, previous literature/ experiments

prediction

Staring in advance the expected results from the experiment

What do hypotheses lead to

Prediction

Controlled experiment

Change only one variable at a time between 2 groups to compare the effects.

Control group

Group that doesn't get tested

experimental group

Same as the control group except for the fact that it is being tested on

independent variable

The condition that changes/ what u manipulate

Dependent variable

Response to the changed condition- what you can count/measure

Control Variables

Constant factors in both groups

Graphs have both

Y axis and x axis

Graphs have

Titles, axes labels, constant intervals, and proper scaling

Pie charts

Proportion out of 100% and not taken over time

Scatter plot

Relationship between points and trending

Line graph

Connects points and is taken over time

Bar graphs

Multiple groups that track large changes over a short period of time