Heat and Temperature: Topics 7-8

Question 1

geothermal energy

Answer 1

energy generated in the interior of the Earth

Question 2

passive solar heating

Answer 2

a type of heating that uses materials in a structure to absorb, store, and release solar energy

Question 3

active solar heating

Answer 3

a type of heating that uses mechanical devices like fans to distribute stored thermal energy

Question 4

solar collectors

Answer 4

mechanical systems and devices, usually containing water, or air, in active solar heating systems

Question 5

wind energy

Answer 5

the energy of moving air

Question 6

fossil fuels

Answer 6

solid, liquid, or gas hydrocarbons formed from the soft parts of plants and animals over millions of years and/or trapped inside the Earth during the planet’s formation

Question 7

non-renewable resources

Answer 7

resources that take millions of years to form

Question 8

renewable resources

Answer 8

energy resources that can be recycled or replaced by natural processes in less than 100 years

Question 9

greenhouse gases

Answer 9

gases, such as carbon dioxide, that result from the burning of fossil fuels or wood; greenhouse gases prevent heat from leaving the atmosphere, increasing the temperature of the atmosphere

Question 10

thermal pollution

Answer 10

a warming of the environment that results from human activities, such as the burning of fossil fuels

Question 11

cogeneration

Answer 11

a method of energy conservation by which waste heat or energy from one industry is used by another industry

Question 12

refrigerants

Answer 12

liquids that evaporate easily at low temperatures