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35 Cards in this Set

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________ ________ are wired from top and bottom so when one goes out, the other doesn't.
Parallel circuits
______ ________ are wired from side-side, so when one goes out, so does the other
Series circuits
what type of circuits are most houses wired in?
Parallel circuits
series circuits have the _____ voltage
same
parallel circuits have slightly _____ voltage
different
_____ to ______ won't work when trying to connect a dry cell for light
negative, negative
double the voltage means you...
double the light
measured in ohms, symbol is R
resistance
measured in amps, symbol is I
current
measured in volts, symbol is V
voltage
measured in watts, symbol is P
Power
measured in ohms, symbol is V
Volts
measured in watts, symbol is A
Amps
formula for ohms law
V=IR
formula for power
P=VI
two types of magnets
temporary and permanent
how do permanent magnets lose magnetism?
Dropped or mis-stored
name 3 ways to increase tje strength of electromagnets
Add coils
increase voltage
use an iron bar down the middle
state the law of magnetism
opposites attract, likes repel
true or false
different substances have different specific heats
true
amount of heat needed to raise 1g of a substance
specific heat
water's specific heat
4.18 J/g'C
heat travels through solids
conduction
heat travels through nothing
radiation
heat travels through liquids and gases
convection
electromagnetic radiation felt as heat
IR rays
name the common states of matter
Solid
Liquid
Gas
motion of particles for a solid
Vibrate close
motion particles for a liquid
swirl fairly close
motion particles for a gas
swirl moving very fast
changing processes
melting
feezing
vaporization
condensation
sublimination
amount of heat needed to melt 1g of a substance already at melting point
heat of fusion
amount of heat needed to vaporize 1g of a substance already at boiling point
heat of vaporization
V(cm3)and T'K of a gas are directly related
Charle's Law
Boyle's Law states:
V(cm3) and ATM of a gas sample are _______ related
indirectly