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7th grade Chapter 1 vocabulary

Across
is the use of scientific discoveries for practical purposes
is a standard to which your results can be compared
is the variable being measured.
The variable that you change.
is the study of Earth and space.
lines running parallel to the equator
the different factors that can change in an experiment.
Down
the variables that do not change in an experiment.
reference point for lines of longitude.
an educated guess.
is a process of observing, studying, and thinking about things in our world to gain knowledge.
include problem solving process.
refers to distances in degrees East or West of the prime meridian
is an imaginary line around Earth exactly halfway between the North and South poles.