Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
17 Cards in this Set
- Front
- Back
|
Latitude
|
The distance north or south of the equator, measured in degrees.
|
|
|
Longitude
|
The distance east or west of the prime meridian, measure in degrees.
|
|
|
Contour line
|
Line on a topographic map that indicates an elevation; every point along the contour line has the same elevation.
|
|
|
Contour interval
|
Tells the distance in elevation between adjacent contour lines.
|
|
|
Hypothesis
|
A tentative explanation that is tested to determine if it is valid.
|
|
|
Theory
|
A well-tested and widely accepted view that explains certain observable facts.
|
|
|
System
|
Any size group of interacting parts that form a complex whole.
|
|
|
Atomic number
|
The number of protons in the nucleus of an atom.
|
|
|
Atomic mass
|
Weight of atom (protons&neutrons)
|
|
|
Atomic symbol
|
The letter used to represent the element on the periodic table.
|
|
|
Covalent bond
|
A bond that forms when atoms share electrons
|
|
|
Ionic bond
|
A bond that forms between negative and positive ions.
|
|
|
Metallic bond
|
A bond that forms when electrons are shared by metal ions.
|
|
|
Compound
|
A substance formed by the chemical combination of two or more elements in definite proportions and usually having properties different from those of its constituent elements.
|
|
|
Isotope
|
An atom with the same number of protons but different numbers of neutrons for a given element; an isotopes mass number in different from that of the given element.
|
|
|
Element
|
A substance that cannot be broken down into simpler substances by ordinary chemical of physical means.
|
|
|
Mineral
|
A naturally occurring, inorganic crystalline mineral with a unique chemical composition.
|
