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science Midterm/final
scence stuff
20
Science
8th Grade
01/21/2013

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Term
science
Definition
study of the natural world that surrounds us
Term
physical science
Definition
study of matter and energy and the changes they undergo
Term
meters/centimeters
Definition
what are 2 units of measurement we often use for length
Term
Density
Definition
its a ratio of how much mass an object has compared to how much space it takes up
Term
matter
Definition
the stuff that makes up everything in the universe
Term
5 properties of matter
Definition
hardness, texture, color, flammable, malleability
Term
Boyle's law
Definition
if the pressure increases the volume will decrease; if the pressure decreases the volume will increase
Term
Viscosity
Definition
the resistance to flow
Term
Charles law
Definition
if the temp increases the volume will increase; if the temp. decreases the volume will decrease
Term
condensation
Definition
gas to liquid
Term
evaporation
Definition
liquid to gas
Term
sublimation
Definition
solid to gas
Term
deposition
Definition
gas to solid
Term
chemistry
Definition
the study of the properties of matter and the changes they undergo
Term
atom
Definition
smallest particle that makes up an element
Term
element
Definition
basic building block of matter
Term
compound
Definition
combination of two or more elements that make up a single unit
Term
7 types of electromagnetic waves
Definition
radio waves, microwaves, infrared waves, visible light waves, ultraviolet waves, x-rays, gamma rays
Term
radio waves
Definition
longest wavelength and the least amount of energy
Term
gamma rays
Definition
shortest wavelength and the most amount of energy
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