Steps of the Scientific Method
What is the format for writing a hypothesis?
If (IV), then (DV)!
Definition for Independent and Dependent Variable.
IV- part of the experiment that is changed/manipulated by the experimenter
DV- part of the experiment that changes in response to the manipulation of the IV. It is what we measure!
What is 500,000 in scientific notation?
5.0 x 105
How many sig figs are in 510
2
What is this number in standard form.
0.0067 x 106
6,700
What is the FIRST step of the scientific method?
Make an observation!
Definition for constants.
factors that remain the same for all groups during an experiment
What is 4,100,000 in scientific notation?
4.1 x 106
How many sig figs are in 6,000
1
What is this number in standard form.
4.59 x 10-4
0.000459
What are the four main parts of an experiment?
Independent Variable
Dependent Variable
Constants
Control Group
Definition for control group.
a group used in an experiment for comparison to test groups
What is 0.00063 in scientific notation?
6.3 x 10-4
How many sig figs are in 400.204
6
Name 4 of the prefixes for SI Units (the Metric System).
Kilo, Hecto, Deka, Units (gram, meter, Liter), Deci, Centi, and Milli
What is the most important part of writing a procedure?
It must be detailed and easy for someone else to follow. Step-by-step instructions! They must be able to replicate your experiment.
What is the difference between precision AND accuracy?
Precision- refers to the closeness of two or more measurements to each other
Accuracy- refers to the closeness of a measured value to a standard or known value
What is 0.00507 in scientific notation?
5.07 x 10-3
How many sig figs are in 0.002500
4
What is the acronym for SI Units (the Metric System)
King Henry Doesn't Usually Drink Chocolate Milk!
When conducting an experiment your data and observations must go in a:
Data table
What is the difference between a scientific theory and a scientific law?
Theory- well tested explanation
Law- describes a pattern in nature without explaining it
What is 7,506,000,000 in scientific notation?
7.506 x 109
How many sig figs are in 2,000.
4
What does DRY MIX stand for?
Dependent or Responding variable is graphed on the y-axis
Manipulated or Independent variable is graphed on the x-axis