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
A number less than 10
What is the number that you need to make?
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
2.5 x 103
What is 2500?
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
0.0000067
What is 6.7 x 10-6?
Convert the following: 25 kilometers = __________ m
25000 m
Graduated cylinder (2 answers)
What is used to measure liquid volume and/or to measure the volume of an irregular shaped object?
This is the usual format for a hypothesis
If ___, then ___.
Identify the independent variable:
Will crickets chirp more if the temperature is warmer?
temperature
What happens when you move the decimal to the left?
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
9,607,000,000,000,000
what is 9.607 x 1015?
Convert the following: 4.5 centimeters = __________ km
0.000045 km
Flame Alert
What lab safety Symbol is used when your materials may be flammable?