Vocabulary
Fulcrum
You pour HOT water into a COLD cup. The cup gets HOT.
Conduction
The second Law of Thermodynamics.
Heat flows from _____ to _____.
Hot to Cold
Wearing multiple shirts at once is an example of this insulating strategy.
Layering
Three examples of a simple machine.
Inclined plane, screw, wedge, lever, wheel and axle, and/or pulley.
When an object is forced to move a certain distance
(Ch. 7)
Work
Cooking a burger on a grill
Radiation
The time of day when a land breeze occurs.
Night
If a material has a high R-value is it a strong or poor insulator?
Strong
The formula used to calculate Work
W = F x m
The action of one surface or object rubbing against another generating heat.
(Ch. 5)
Friction
A space heater with a fan.
Convection
Robert Browns discovery.
Brownian Motion
Two bottles of water are kept in the refrigerator until they are both at the same cold temperature. One is a 500mL size and the other s a 750 mL size. The bottles are taken out of the refrigerator at the same time. Which bottle will reach room temperature first?
500mL
The unit of measurement used to define how much work has been done.
Joule
Measures a material's resistance to heat flow
(Ch. 6)
R-Value
The door to a furnace room heats up when the furnace runs.
Radiation
A wind that blows from the sea toward the land during the day, caused by the land heating up faster than the water.
Sea Breeze
The most important insulating factor in winter clothes
Trapped Air Spaces
Calculate the the work done when you lift a 400N weight a distance of 6m.
2,400 J
The amount of energy required to raise the temperature of one unit of mass of a substance by one degree Celsius.
(Ch. 6)
Specific Heat Capacity
Macaroni swirls around in a pot of boiling water.
Convection
The difference between Heat and Temperature.
Heat is the total energy.
Temperature is the average energy.
What does J/gC mean?
Specific Heat Capacity
The difference between a first class, second class, and third class lever
First class has the fulcrum in the middle.
Second class has the load in the middle.
Third class has the effort in the middle.