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Science Chapter 1 Quiz
Vocabulary
32
Science
8th Grade
11/04/2010

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Term
Science
Definition
The study of the natural world
Term
Observing
Definition
Using one or more senses to gather information
Term
Inferring
Definition
Making an inference, which is based on reasoning from what you already know
Term
Predicting
Definition
Making a forecast of what will happen in the future based on past experiences or evidence
Term
Chemistry
Definition
The study of the properties of matter and its changes
Term
Physics
Definition
The study of matter, energy, motion, and forces, and how they interact
Term
Scientific inquiry
Definition
The different ways scientists study the world
Term
The 6 Steps of Scientific Inquiry
Definition
1) Ask Questions
2) Hypothesis
3) Experiment
4) Collect and Interpret Data
5) Conclusions
6) Communicate
Term
Hypothesis
Definition
A possible answer to a scientific question or explanation for a set of observations
Term
Parameter
Definition
A factor that can be measured in an experiment
Term
Manipulated variable
Definition
The variable that is purposely changed
Term
Responding variable
Definition
The variable that changes because of the manipulated variable
Term
Controlled experiment
Definition
An experiment where only one variable is changed at a time
Term
Data
Definition
Facts, figures, and other evidence gathered through observations
Term
Communicating
Definition
Sharing ideas and conclusions with others through writing and speaking
Term
Model
Definition
A picture, diagram, computer image, or other other representation of an object or process
Term
Scientific theory
Definition
A well-tested explanation for a wide range of observations or experimental results
Term
Scientific law
Definition
A statement that describes what scientists expect to happen every time under a particular set of conditions
Term
SI
Definition
International System of Units
Term
Weight
Definition
Measure of the force of gravity on you
Term
Mass
Definition
The measure of the amount of matter an object has
Term
Volume
Definition
The amount of space an object takes up
Term
Meniscus
Definition
The curve on the surface of the water in a graduated cylinder
Term
Density
Definition
Mass/Volume: kg/(m^3) OR g/(cm^3) OR g/mL
Term
Accuracy
Definition
How close a measurement is to the true or actual value
Term
Reproducibility
Definition
How close a group of measurements are to each other
Term
Estimate
Definition
An approximation of a number based on reasonable assumptions
Term
Significant figures
Definition
all the digits that have been measured exactly plus one estimated digit
Term
Precision
Definition
The measure of the exactness of a measurement
Term
Data Point
Definition
The point of a coordinate
Term
Line of best fit
Definition
A smooth line that shows the trend of a graph
Term
Slope
Definition
The steepness of the graph
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