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Phy science PC 9-10
ch 1 test review
30
Science
9th Grade
09/07/2010

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Cards

Term
hypothesis
Definition
-educated guess
Term
dependent
Definition
-variable which is affected by the experiment
Term
independent
Definition
-variable that one changes in an experiment
Term
milli
Definition
-prefix which means 1/1000
Term
bar
Definition
-type of graph best for comparing individual sets of data
Term
pie
Definition
-type of graph used to compare parts with the whole
Term
variable
Definition
-something that can change is called a _______________
Term
system international
Definition
-the letters SI represent _____________ ________________
Term
centi
Definition
-which SI prefix represent 1/100
Term
Kelvin
Definition
-the SI unit for measuring temperature is __________________
Term
chemistry
Definition
-the study of matter and its changes
Term
physics
Definition
-the study of forces and energy
Term
law
Definition
-a ______________ describes a natural happening such as gravity
Term
theory
Definition
- a _______________ is an explanation of why something happens
Term
base units
Definition
-fundamental units such as meter and kilogram are called __________ ___________
Term
derived units
Definition
-units found by combining other units are called ________ ___________ (eg pressure)
Term
faith
Definition
-science starts with questions and religion starts with ______________
Term
kilogram
Definition
-the SI prefix for 1000 is ____________
Term
experiments
Definition
-when scientists ask questions, they usually do ________________ to solve a problem
Term
conclusion
Definition
-the part of the scientific method that answers "what did you learn?" is the ________________
Term
procedure
Definition
-the experiment in the scientific method is also called the __________________
Term
accuracy
Definition
-the feature that answers the question"how close is the number to the right answer?" is ________________
Term
precision
Definition
-the number feature that answers the question, "how close are the measurements to each other?" is ________________
Term
x-axis
Definition
-the independent variable is graphed on the __________-axis
Term
y-axis
Definition
-the dependent variable is graphed on the
Term
model
Definition
-a representation of an object or event that can be studied is called a ______________
Term
qualitative
Definition
-describing something with words is using a ______________ statement
Term
quantitative
Definition
-a _______________ statement describes what happens using numbers or measurements
Term
labels
Definition
-units make sense when we use _________
ex. 100 meters
Term
purpose, procedure, data, result, conclusion
Definition
-the five parts of the scientific method are__________________
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