Test 1 Review Flashcards
(46 cards)
Stored energy (water in a dam)
potential energy
Energy in Motion (water flowing)
Kinetic energy
Fixed Shape & volume; molecules are close together
Solid
Variable shapes & fixed volumes; molecules are farther apart
liquid
Variable shapes & volumes; molecules are very far apart
Gas
Statements that describe things that are consistently & reproducibly observed; predict future; does not describe why things happen
Law
If experiments continually support a hypothesis it becomes a
theory
a series of ________ are conducted to evaluate the hypothesis
experiments
Are made of observations; educated guess; tentative explanation of what was seen
hypothesis
Same atomic #
Same # of proton and electron
Different # neutron
Since # neutron different = mass # different
Isotopes
C to F formula
(1.8 x C) + 32
F to C formula
F - 32 / 1.8
C to K formula
C + 273.15
K to C formula
K - 273.15
1kg = ___g = ______lb
1,000g, 2.205 lb
Formula: Density =
mass/volume
Formula: Mass =
Density x volume
is the heat required to evaporate a liquid
heat of vaporization
is the heat required to melt a solid
heat o fusion
The melting point of ice or freezing point of water
0 degrees Celsius & 32 degrees F
The boiling point of water
100 degrees Celsius and 212 degrees F
Conversion of a solid directly to a gas; the reverse is called deposition
Sublimation
the conversion of a vapor or gas to a liquid; Water which collects as droplets on a cold surface when humid air is in contact with it
Condensation
1qt = __ L
0.946