Major Concepts in This Unit:

Expressing Scientific misinformation

	How do observations differ from inferences?
	How can we use classification skills to organize information?
	How are measurements expressed in SI units (metrics)?
	How can very large (and/or very small) numbers be expressed in powers of ten?
	How can scientific notation make it easy to estimate?

	How can complicated data be presented in an easy to interpret format?
	What are the different types of graphs?
	What type of data is best represented by each graph type?
	How can graphs be used to predict the outcome of an experiment?
	How can rate of change be calculated?

	What is density?
	How is density determined in the laboratory?
	On what factor(s) does density depend?
	How do materials of different densities interact with each other?

	How can experimental error be calculated?
	What is an acceptable degree of error in the laboratory?
	How can experimental error be reduced?

Need the definition to some tricky science word? Try a OneLook^® Online Dictionary search. Hint: scroll down for the science words category.

Observation
Measurement
Mass
Weight
Distance
Density
Volume
Metric (SI) System
English System
Scientific Notation
Inference
Percent Deviation (Error)

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Test out your density calculation skills at this web site.
Try this nifty density experiment.
Test your Percent Error calculation skills.