Unit 1
what are properties of metals?
properties of metals are... high melting points,
high density
good conductors of heat and
malleable
what is physical change?
matter changes the form of how it used to be but still has the same identity
What is fricton?
one surface or object rubbing against another
What is a cold front
a transition zone where a cold air mass is repacing a warmer air mass
what are properties of nonmetals?
Properties of nonmetals are.. brittle,dull,and poor conductors of electricity and heat
what is chemical change?
a chemical change is something thatforms a new product
what is inertia
it opposes any agency that attempts to put it in motion
what is a warm front?
the boundary between a mass of warm air and a retreating mass of cold air
what are properties of metalliods?
properties of metalliods are brittle,semi-conductors,shiny just like metals.
What is Mass?
the amount of matter an object has.
what is newtons 1st law of motion?
an object at rest stays at rest
what is a stationary front?
stationary fronts often bring many days of cloudy,wet weather. when a cold air mass meets a warm air mass but the cold air mass doesn't have enough force to move the warm air
What are the number of protons?
the number of protons found in the nucleus of every atom of that element
What is Matter?
matter is anything that has mass. the amount of stuff in an object that takes up space
what is newtons 3rd law of motion?
the law of action and reaction
what is a occluded front?
an occluded front is a weather front formed during cyclogenesis {low pressure in the atmosphere}