What's this?
To determine the wedge size of a pie chart, you multiply each of the given data’s percentage by what number ____________- to determine the appropriate angle degree?
Define Science
Derived from Latin, means “to know”
Define air resistance
The force that opposes the ability of an object to fall down as it passes through air
How do theories begin?
As a hypothesis
Can hypothesis be proven true or false?
No, they can only be supported
In absence of air, how do objects fall?
At the same rate
What should you do to variables that are not a necessary part of an experiment?
Decrease them
Define density?
Degree of compactness of a substance
Biologists study natural structures and processes based on _____________ and ______________ of data.
Observation, Analysis
The _____________________ is the framework that scientists use to analyze situations, explore phenomia, and answer questions.
Scientific Method
What is surface tension?
The tendency for water molecules to stay together
What is a counter example?
Example that contradicts a conclusion
Define an infographics?
Relate data in a visually appealing way
A __________________ is a description of the natural world that scientists have proven through rigorous testing.
Theory
What step do you take if a hypothesis is supported?
Publish results
What is concentration?
Measure of the amount of substance in a solution
A(n) __________________ cannot be tested or observed.
Speculation
Define objective and subjective data?
Subjective: Based on preference
Objective: Measureable
What is the search for information and explanations of natural phenomena
Inquiry
What is the difference between qualitative and quantitative data?
Qualitative: Descriptions
Quantitative: Numerical
What are the 4 types of variables? Describe what they are
Independent: manipulated variable
Dependent: variable that is measured
Control: Most “natural” Variable
Constant : Things that do not change in an experiment
What is the difference between historical and operational science?
Operational science: observable, repeatable experiments to discover truth
Historical science: using past relics and record to discover truths
Define a blind and double blind experiment? When would you run each of them?
Blind: information about the test is kept from the participants to reduce bias.
Double blind: Experiment where neither the experimenters or participants know the objects’ identities in the setup
If data is subjective to only the participants, do a blind case study. If data is subjective to the participants and people running the experiment, do a double-blind case study.
Explain the difference between a theory and a law; give examples of 2 well known theories and 2 well known laws.
Theory: Explains why phenomena occurs
- Big Bang
- Heliocentric
Law: Describes why phenomena happens
- Law of Gravity
- Newtons Laws
List 3 Limitations of science.
Science cannot prove anything;
Science is not 100% settled
Science must conform to the scientific method