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The Nature of Science and Tech
Chapter 1 & 2
24
Science
7th Grade
02/20/2006

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Term
Observing
Definition
The process by using one or more of your senses
Term
Quantitative Observation
Definition
An observation that deals with a number or amount
Term
Qualitative Observation
Definition
An observsation that deals with characteristics that cannot be expressed in numbers
Term
Inferring
Definition
The process of making an inference, an interpretation based on observations and prior knowledge.
Term
Predicting
Definition
The process of forcasting what will happen in the future based on past experience or evidence.
Term
Classifying
Definition
The process of grouping together items that are alike in some way.
Term
Making Models
Definition
The process of creating representations of complex objects or processes.
Term
Science
Definition
A way of learning bout the natural world through observations and logical reasoning: leads to a body of knowledge.
Term
Skepticism
Definition
An attitude of doubt.
Term
Scientific Inquiry
Definition
The ongoing process of discovery in science; the diverse ways in which scientists study the natural world and propose explanations based on evidence they gather.
Term
Hypothesis
Definition
A possible explanation for a set of observations or answer to a scientific question; must be testable.
Term
data
Definition
Facts, figures, and other evidence gathered through observations.
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 scientist expect to happen every time under a particular set of conditions.
Term
Scientific Literacy
Definition
The knowledge and understanding of scientific terms and principles required for evaluating information making personal decisions, and taking part in public affairs.
Term
Mass
Definition
A measure of the amount of matter an object contains.
Term
Weight
Definition
A measure of the force of gravity acting on an object.
Term
Volume
Definition
The amount of space an object takes up.
Term
Meniscus
Definition
The curved upper surface of a liquid in a column of liquid.
Term
Density
Definition
A measure of how much mass is contained in a given volume
Term
Accuracy
Definition
How close a measurement is to the true or accepted value.
Term
Precision
Definition
How close a group of measuremtns are to each other.
Term
Significant Figures
Definition
All the digits in a measurement that have been measured exactly plus one digit whose value has been estimated.
Term
Percent Error
Definition
A calculation used to determine how accurate, or close to the true value, an experimental value really is.
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