Hypothesis and Theory's
(1) "Controlled" experiments only have ______ independent variable.
(2) The independent variable "______" or causes a change in the dependent variable.
(1) independent
(2) AFFECTS the dependent variable
What did Schwann (Swan) prove?
Hint: Graceful ANIMAL that floats on water.
ANIMALS are made of cells
You cant _______ pseudo science claims through scientific experimentation.
TEST
Testable / Repeatable
When checking for "validity" in experimental design, always make sure there is ___________.
A CONTROL group
What should you do if your experimental results DON'T match your Hypothesis (prediction)?
You need to change your hypothesis and then RETEST
What did Schleiden prove?
Hint: If you step on slimy PLANTS, you'll go schlidden!
PLANTS are made of cells
How do you calculate TOTAL magnification in a compound Light microscope?
Total Magnification = Eyepiece x objective
10x x 40x = 400x
In a valid scientific trial, you can make _________.
Real-time Observations
The control Group __________ the independent variable!
DOESN'T RECIEVE
A "Theory" is a more formalized Hypothesis because it has been ______ and _______.
Tested repeatedly and theirs NO conflicting
An "Observation" is a simple statement of "_________". There is NO personal ____ or_____ form the observer.
FACT!!, interpretations, and feelings
You CANT _______ the things that pseudo science claims to be true.
In a valid experimental trial, you can _______ and ________ the results.
Quantify and measure observable results
The dependent variable reacts to or is affected by the __________.
Independent variable
A "Theory": ________
Explains WHY something is happening
(1) An "inference" makes _____________ about a given set of FACTUAL observations.
(2) What are some "bug words" used when giving an inference?
(1) A ballsy conclusion
(2) It "seems" to be, I "think", I "feel"
Pseudo science is not ________; you don't always see the same outcome.
REPEATABLE
VERSES:
Pseudo Science is based on personal ________ and _______.
Thoughts and feelings
Always make sure that there is AT LEAST 1 group that __________.
DOESN'T get the independent variable (control)
A "Theory" can NEVER become ______. This is because __________
A law and Theories can't be observed "real time" / can't take observational data in current time.
What are the 3 tenets of cell theory?
1- All living things are made up of cells
2- Cells serve as most basic units of structure and function
3- Cells come from pre-existing cells
1- Compounds light Microscope:
When would i use this microscope?
You would use this to study cell structures
VERSES:
Pseudo Science can't be _______ or________
Measured or quantified
If you conducting a survey, make sure that the people that get surveyed are free from any ___________.
BIAS!