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100

What scientific idea is the first law of thermodynamics a practical restatement of?

Law of conservation of energy

100

Changes in which property drives a convection current?

Density

100

What scientific idea is the first law of thermodynamics a practical restatement of?

The law of conservation of energy

100

What is the temperature at which vapor pressure equals atmospheric pressure?

Boiling point

100

What is the weakest force?

Gravitational force

200

What type of potential energy is caused by restorative forces?

Elastic potential energy

200

What is an example of conduction?

An object in the sun, and a handle of a pot

200

How does the volume of liquid water change as water is cooled from 4 degrees to 0 degrees Celsius?

Volume increases

200

The temperature above which a substance cannot exist as a liquid but behaves as a gas regardless of the pressure upon it is?

Critical temperature

200

What theoretical device would generate the maximum possible amount of work from a given amount of heat?

Carnot (Carrot) Engine

300

What is energy of motion called?

Kinetic energy

300

The amount of heat needed to cause a unit rise in the temperature of a unit mass of a substance

Specific heat 

300

The amount of heat required to change a given amount of a solid into a liquid without a temperature change?

Heat of fusion

300

What is the relationship between vapor pressure and the temperature of a liquid?

As temperature decreases, vapor pressure decreases.

300

What fundamental force is responsible for elastic prtential energy?

Electromagnetic foce

400

What property explains why adding energy to an object increases the object's mass?

Mass-energy equivalence

400

Why is heat of vaporization much greater than heat of fusion?

The cohesion of molecules must be completely overcome

400

Which method of heat transfer does a hot-water heating system us to heat a room?

Convection

400

The type of energy that is related to the kinetic theory of matter is?

Thermal energy

400

The transfer of heat by moving fluids is called?

Convection

500

What s principle says that natural processes tend to go towards less usable energy and greater disorder?

Second law of thermodynamics

500

The amount of heat needed to change an object's temperature by a certain amount?

Heat capacity

500

What is the most important part of a heat pump?

Refrigerant

500

The energy associated with the position of an object and the forces acting on the object is?

Potential energy

500

An object that is moving in space while changing its location has the form of whole body kinetic energy know as?

Translational energy