Bio Final Chapter 1 + Lab Safety
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20 Terms
What are the basic fundamentals of lab safety?
Know the location of exit and equipment
Always wear glasses when instructed to do so
Don consume the chemicals or experiment
Know where the emergency shower and wash stations are
What do scientists isolate and test in a controlled experiment?
One independent variable at a time
What is the scientific method?
Standard way of conducting experiments
What is the scientific method used for?
A way to gain accurate knowledge
What is the first step in the scientific method?
Ask a question/pose a problem
What is the second step in the scientific method?
Research and hypothesis
What is the third step in the scientific method?
Experiment
What is the fourth step in the scientific method?
Interpret and analyze data
What is the fifth step in the scientific method?
Use math and understandable thinking
What is the sixth step in the scientific method?
Conclusion
What is the seventh step in the scientific method?
Peer Review
What is the eighth step in the scientific method?
Communicate
What is a hypothesis?
An educated guess made before conducting the experiment
What is the correct form of writing a hypothesis statement?
If (Independent Variable), then (Dependent Variable).
What is one important rule when making hypothesis?
The hypothesis must be testable
What are the two types of data?
Quantitative: Numbers
Qualitative: traits/characteristics
What are all of the variables that are associated with an experiment?
IV (Independent Variable): Changed on purpose
DV (Dependent Variable): What’s being measured
SV (Standardized Variable): Kept the same
How does DV and IV look on a chart?
IV is x-axis and DV is y-axis
What is a control group?
Subjects that are controlled in “normal” conditions
What are the eight characteristic of living organisms?
Maintain contact
Made of cells
Use of energy
Changes as a group over time
Reproduce
Respond to their environment
Have a genetic code (DNA)
Grow and Develop during the lifetime