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5.1 Scientific Investigation
VA Science SOL 5.1 Vocabulary
21
Science
5th Grade
04/18/2013

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Cards

Term
balance scale
Definition
measures mass
Term
classification key
Definition
tool used to help identify objects and organisms based on a series of questions about their characteristics
Term
constants
Definition
things that stay the same on purpose in an experiment
Term
control
Definition
the part of an experiment where the independent variable is left unchanged to provide a comparison
Term
data
Definition
all the facts, descriptions, and numbers collected during an experiment
Term
dependent variable
Definition
the variable in an experiment that can be measured or observed to see how it responds to a change made to the independent variable (DV)
Term
estimation
Definition
a rough or approximate calculation of the amount, size, or value of something
Term
graduated cylinder
Definition
measures volume
Term
hypothesis
Definition
an explanation based on scientific reasoning that can be tested to see if it is correct; "If _____, then _____."
Term
independent variable
Definition
the variable you change on purpose (IV); "I" change it
Term
inference
Definition
a conclusion based on prior knowledge or evidence about what has already occurred
Term
meterstick or ruler
Definition
measures distance, length, and depth
Term
observation
Definition
using the five senses to form a hypothesis
Term
prediction
Definition
an educated guess about what you expect to happen in the future based on past experience and careful observation
Term
qualitative data
Definition
using descriptions to show how things are
Term
quantitative data
Definition
using numbers to express measurements
Term
scientific method
Definition
1. Question
2. Research
3. Hypothesis
4. Experiments and Observations
5. Data
6. Conclusion
7. New Question
Term
stopwatch
Definition
measures elapsed time
Term
thermometer
Definition
measures temperature
Term
trend
Definition
the general direction in which data is headed or the way it is changing
Term
variable
Definition
something that can be changed in an experiment
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