Thermal Energy

Question 1

Thermal energy

Answer 1

Energy a substance or system as related to its temperature

Question 2

Specific energy

Answer 2

Energy per unit mass also called energy density more precisely means energy per unit volume

Question 3

Heat

Answer 3

The quality of being hot ; high temperature

Question 4

Conduction

Answer 4

Heat or electricity is directly transmitted through a substance when there is a difference of temp. Or of electrical potential between adjoining regions ,without movement of the material

Question 5

Convection

Answer 5

Within a fluid by the tendency of hotter and therefore less dense material to rise ,and colder,transfers to heat

Question 6

Radiation

Answer 6

Electromagnetic waves or as moving subatomic particles especially high energy particles that cause ionization

Question 7

Thermal insulator

Answer 7

1.transferring of heat

Question 8

Solar collector

Answer 8

Heating buildings or water or the production of electricity

Question 9

Thermodynamics

Answer 9

The branch of physical science that deals with the relations between heat and other forms of energy such as mechanical electrical or chemical energy

Question 10

1st law of thermodynamics

Answer 10

Energy that can be transformed from one another but can’t be created or destroyed

Question 11

2nd law of thermaldynamics

Answer 11

The entropy of the world only increases and never decreases

Question 12

Temperature

Answer 12

Measure of the average kinetic energy of all the particles that make up an object