Thermodynamics

Question 1

Conduction

Answer 1

Transfer of heat between substances that are in direct contact with each other

Question 2

Convection

Answer 2

Thermal energy is transferred from hot to cool places

Question 3

Radiation

Answer 3

Heat transfer that does not rely upon any contact between heat source & heated object

Question 4

Thermal expansion

Answer 4

When a substance undergoes a temperature change, it changes in size

Question 5

Pressure

Answer 5

Magnitude of force per unit area

Question 6

Thermodynamics

Answer 6

Study of energy transfers involving heat & temperature, & their relation to energy & work

Question 7

0th Law of Thermodynamics

Answer 7

When 2 objects are brought into contact, heat will flow from warmer to cooler until thermal equilibrium

Question 8

1st Law of Thermodynamics

Answer 8

Energy in the form of heat, is neither created nor destroyed in any thermodynamic system

Question 9

2nd Law of Thermodynamics

Answer 9

Entropy of a system plus its surrounding will never decrease

Question 10

Heat Engine

Answer 10

A device that uses heat to produce useful work