particles
how do solids partials move
they vibrate
what are the 3 states of matter
liguid, solid and gas
what type of energy speeds up partials
thermal (heat) energy
H2O=H2O
phyical change
is cutting paper a physical or chemical change
physical chemical
what happens to partials when they get more energy
get faster
what is the term for when clouds rain
condensation
what transfers thermal energy from a warmer object to a cooler on
heat
22H2 + O2 = 2H2O
What are the Reactants?
2H2 & O2
is making bread a chemical or physical
chemical
tiny building blocks of matter
atoms
what term means turn liquids into gas
evaporation
when a liquid turns into a gas through vaporization, whats heating up the water?
heat
NaCl+AgNO3=NaO3+AgCi
chemical change
making a bowl of cereal is a chemical change
no
what happens to liquid partials when they cool down and get slower
they become a solid
whats the term for a solid skipping the liquid state
sublimation
whats the difference between boiling and evaporation
boiling happens all throughout the body of water, evaporation only happens above the body of water
CH4+2O2=CO2+2H2O
what is the products ?
CO2+2H2O
eating/digesting food is a chemical change
ya...
What happens to partials when they get cooler
they slow down
there are 4 states of matter liquid, gas and solids, what the forth state?
plasma
what is the freezing point for water
32F
Cash ran 14 miles in 2 hours, how fast was he running?
Speed = Distance / Time
7 mph
metal can turn into rust after being exposed to oxygen for some time is?
chemical change