Scientific Method
The step that involves coming up with an educated guess or prediction
Make a hypothesis
The variable being tested or changed by the scientist
IV
This type of graph is best used with percentages
Circle/Pie chart
Convert the following: 7 meters = __________ cm
700 cm
This is the number of variables that can be tested in an experiment
1
5 meters and 6 grams would be examples of this type of data
quantitative
All of the "variables" in the experiment that must be kept the same
constants
change over time is best shown on this graph
line graph
Convert the following:
37 decimeters = __________mm
3700 mm
This is the variable that is being measured in your experiment
dependent variable
In this step, you state whether your hypothesis was supported or not, and why.
What is drawing conclusions
The group of test subjects that serves as a comparison and does not get the IV
control group
this type of graph is used to compare
bar graph
Convert the following: 25 kilometers = __________ m
25000 m
This is the first step of the scientific method
Question/Problem
This is the usual format for a hypothesis
If ___, then ___.
Identify the independent variable:
Will crickets chirp more if the temperature is warmer?
temperature
time is almost always placed on the _________ of a graph
x-axis
convert: 5 liters = __________ hectoliters
0.05 hL
A constant can also be called this
controlled variable
This is the best format for a testable question
How does IV affect DV?
Identify the dependent variable:
Does aspirin keep cut roses fresher longer?
freshness of roses
This information is placed on the x-axis
IV
Convert the following: 4.5 centimeters = __________ km
0.000045 km
The metric unit for time
seconds