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Earth Science Chapter 3-4

Terms

undefined, object
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What does the nucleas include?
protons and nuetrons
combination of 2 or more substances that aren't chemically combined
mixture
What are contour lines used for?
to show elevation
How many minutes is a latitude equal to?
1.85 km
What is the purpose of Great Circles?
to make traveling faster.
Smallest unit that can exist by itself and retain all of a substances chemical properties
Molecules
Describe to how a substance reacts with other substances to produce different substances is called________?
chemical properties
What is matter?
Anything that takes up space and has mass.
What are the 3 scales used in map making?
graphic, fractional, and verbal
Where does latitude run?
North to south
Where does a compass' needle point to?
Geomagnetic poles
What are the 2 ways to find information for maps?
remote sensing and field surverying
Where does longitude run?
East to West
What does the Electron Cloud consist of?
electrons
Can be observed without changing the composition of the substance is called________?
physical properties
What is elevation?
The height above sea level
How is the Atomic # determined?
by the number of protons and electrons
Atom that has the same number of Protons as the atoms of the same element but has a different number of nuetrons
Isotope
Carries a charge
ions
Where are the Geographic poles?
the North and South poles
Force between oppositely charged ions that result from the transfer of electrons from one atom to another
ionic bond
What is the degree for sea level?
0
a homogeanous mixture of 2 or more substances that are uniformly dispersed throughout the mixture
solution
What is a relief?
the difference between highest and lowest points
or more different elements joined by chemical bonds
Compounds
Who uses Great Circles?
navigators
sum of the number of protons and nuetrons in an atom
atomic mass
formed by the attraction between atoms that share electrons
Covalent bond

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