vocab
Information gathered during an experiment.
Data
Mathematical models are important for situations with many variables.
true
What characteristics does a good experiment have?
A-control group
B-single variable
C-multiple variables
A and B
Testable explanation for an observation.
Hypothesis
Information gathered by using the senses.
Observation
If you consider what will protect our natural resources when making an environmental decision, you are examining an aesthetic or scientific value.
False-Environmental
A mean is:
A-average
B-most occurring number
C-numbers added up and divided by the total
A and C
Collection and classification of data in the form of numbers.
Statistics
Verbal or graphical explanation for how a system works or is organized.
Conceptual model
In a scientific investigation, it is important that the number of objects being sampled be equal to the mean or number of objects sampled.
false-large enough the give an accurate estimate
Before you can make a decision using a decision-making model, what step must you take.
A-Explore the consequences
B-know the outcome
C-Gather info and consider what value apply to the issue
A and C
Principles or standards we consider important.
Value
Chance of something happening.
Probability
The chance that a hurricane will occur in your town during the next year is a risk.
True
A physical model.
A-picture of earth
B-globe
C-DNA/Helix 3D
B and C
Logical statement about what will happen if a hypothesis is correct.
Prediction
Procedure for testing a hypothesis under controlled conditions
experiment
A good hypothesis is always based on intuition and likelihood.
Models we have discussed in here.
A-Analytical
B-Graphical
C-Conceptual
B and C
Association used to study a subject when using an experiment is impossible or unethical
Correlation