vocab
Based on certain agreed-upon values, metric
SI units
Mathematical models are useful for _________.
Communicating
Split into different sections
Pie Chart
At the conclusion of an experiment, you will usually be looking for a possible ___________.
correlation
a x 10b
scientific notation
Physical system using pictures and arrows.
graphic model
Equations indicate that the values of two math expressions are ___________.
Equal
Shows grouped data as rectangular bars.
Bar Chart
Scientists want to know the direction of the correlation and the ___________ of the correlation.
quality
655,000,000,000
6.55 x 1011
A representation of an idea, object, or system used to describe a scientific phenomenon.
scientific model
Graphic models are conceptual models that use an _________.
image
Each point is an ordered pair (x,y).
Line Graph
When an increase in the independent variable leads to an increase in the dependent variable.
positive
0.00000000035
3.5 x 10-10
A model where numerical relationships are calculated and visualized by a computer.
Computational Model
A primary benefit of scientific modeling is the ability to perform ________________ using models.
experiments
Points graphed along two axis.
Scatter Plot
When an increase in the value of the independent variable causes a decrease in the value of the dependent variable.
negative
When accepting the hypothesis, the conclusion must fit within the _____________ of the experiment.
scope
Analyzing physical values based on their units.
Dimensional Analysis
Graphs allow scientists to analyze and ____________ relationships between dependent and independent variables.
visualize
Is helpful when showing a trend.
Line Graph
When changing the independent variable has little or no measurable effect on the dependent variable.
none
If the original hypothesis was not observed in the experimental results, the hypothesis must be _________.
rejected