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PS CH 1

Name:______________________________
Date:____________PD:______
Across
Graph that is used to compare several individual items
The conditions that are the same between the two test groups
Asking questions, making observations, and using logic
Describes a process in nature that can be tested by repeated experiments
A method of expressing a quantity as a number multiplied by 10 to the appropriate power
An "if..., then..., because..." statement that helps guide your experiment
The base unit for measuring mass
A measure of the gravitational force exerted on an object
The base unit for measuring length
Shows change over time
Down
A description of how close a measurement is to the true value of the quantity measured
The base unit for measuring an amount of substance
The base unit for measuring temperature
Factors that change in an experiment in order to test a hypothesis; includes IV and DV
The application of science for practical uses
General ways to help organize your thinking about questions
Metric system of measurement
A measure of the straight-line distance between two points
Observing, studying, and experimenting to find the nature of things
The base unit for measuring time
A measure of the amount of matter in an object
An explanation of how natural processes work
Exactness of measurements
A graph that shows the parts of a whole (ex: 30% out of 100%)
A measure of the size of a body or region in three-dimensional space