Steps
A testable predication
Hypothesis
The variable that is being observed/ measured in an experiment
Dependent variable
...Limited to the natural world...
Science IS limited to the natural world
What inference can be made between sugar solution and plant growth?
Observation
Father of Genetics
Who is Gregor Mendel?
The first step in the scientific method
Ask a question/ Make an observation
The variables that remain the same/ constant throughout an experiment
Control variables
...Fair...
Science IS NOT fair
What inference can be made regarding time and carbon dioxide emissions in the atmosphere?
As time moves forward carbon dioxide levels increase
Theory of Evolution
Charles Darwin
Experimentation
The variable that is being tested/ changed in an experiment.
Independent variable
...Tentative...
Science IS tentative
Looking at the graph, what inference can be made on the predator-prey relationship between the moose and wolves?
If wolf population increases, the moose population decreases (vice versa).
Debunked spontaneous generation
Louis Pasteur
Recording information from the experiment
Two different cars are traveling at 60
mph. At a certain point, both cars slam
on the brakes. The distance it takes for
each car to stop is then measured. What is the Independent variable?
The car's brake systems
...Based on belief...
Science IS NOT based on belief
What is the graph telling us?
The optimal pH measurements for two different enzymes.
Discovered / studied bacteria from his own teeth scrapings
Antonie Van Leeuwenhoek
Describing the results of the experiment
Making a conclusion
A stapler is used to staple 100
papers, it jams 5 times during the trial. A
different brand of stapler performs the
same test; it jams 22 times. What is the dependent variable?
The number of times the stapler jammed.
...Based on experimentation...
Science IS based on experimentation
What is the diagram showing us?
The process of one cell becoming two (mitosis)
Was the true discoverer of DNA being a double helix shape
Rosalind Franklin