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35 Cards in this Set

  • Front
  • Back
Scientific Method
a systematic process used to gather evidence & solve a problem. Know the Steps! Galileo
Problem/Purpose
Step #1 Figure out the question you want to answer with this expierement. find the purpose
Gathering Information/Research
Gathering Information/Research
Background info is obtained in class or information may be gathered from observation before beginning
Hypotheses
#3
answers the question in the problem and tries to explain a relationship between variables
Experimentation
A- List all supplies neeed in column format
B-Procedure- state in specific what you will do
indicate what you are using as control
Analayze Experimental Results
conduct the expierement, collect and document data carefully. Data should be organized in charts and graphs.
conclusion
Claim- Hypothesis Correct?
Evidence- Data supports claim
Reasoning- why, how, variables, problems
Variable
factors that affect the results of an expierent. Only 1 per experiment
Dependent Variable
the variable in an experiment that changes in response to choices by the experimenter:this variable is plotted on the y-axis of a graph: the factor measured in an experiment (time speed, distance)
Independent Variable
the variable in an ex. that is manipulated by the experimenter and that causes changes in the dependent variable in the ex. x-axis of graph:single factor that the experiment changes and compares
Control
standard for comparison in an experiment
constant
parts of an experiment that remain the same
Hypothesis
a prediction that can be tested by experimentation
Conclusion
evalution of hypothesis as a result of data/experimentation
Kilo
k,1000
Hecto
h, 100
Milli
m, .001 1/1000
Centi
c, .01, 1/100
Weight
measures the force of gravity on an object
Mass
the amount of matter in an object
Volume
ml or L (liquid) or cm3 (solid) the amount of space an object occupies
Meter
m, unit used to measure length
Liter
L, unit used to measure liquid volume
Gram
g, unit used to measure mass
Displacement
finding the volume of irregular shaped objects. Grad cylinder & water
Density
the amount of matter in a given volume. The compactness of matter D=M/V (mass divided by volume) g/cm3 solid or g/mL (liquid). Water ahs a density of 1.0 gram/mL, over 1 sinks, under 1 floats
Observation
information gathered by senses
Inference
conclusion drawn from an observation
Prediction
predict the future based on past experiences
Data
numerical information(Quantitative)
Classify- Group objects based on similar characteristics
Theory
an explanation based on observations, data and experiements, tested many times.
Fact
truth based on data
Science
the process of trying to understand the world, body of knowleddge based on the learning of nature through observations and the scientific method
Superstition
an irrational belief that an object, an action or a circmstance not logically related to a course of events influences its outcome. made by ignorance of the laws of nature
Law
proven theory tested over time