Chapter 16-18 (reverse)

Question 1

Energy produced from moving water and is a renewable resource accounting for about 20% of the world’s electricity.

Answer 1

Hydroelectric Energy

Question 2

The energy from heat in the Earth’s crust.

Answer 2

Geothermal Energy

Question 3

Energy sources that are still in development.

Answer 3

Alternative Energy

Question 4

The percentage of energy put into a system that does useful work.

Answer 4

Energy Efficiency

Question 5

Saving energy in ways such as using energy-efficient devices and wasting less energy.

Answer 5

Energy Conservation

Question 6

A naturally occurring, usually inorganic solid that has a characteristic chemical composition, an orderly internal structure, and a characteristic set of physical properties.

Answer 6

Mineral

Question 7

Minerals that are valuable and economical to extract.

Answer 7

Ore Mineral

Question 8

Method by which are deposits that are usually found 50 m or more beneath Earth’s surface are mined.

Answer 8

Subsurface Mining

Question 9

The methods that are used when are deposits are located close to Earth’s surface.

Answer 9

Surface Mining

Question 10

Surface-deposits where the minerals from rocks disintegrated by weather are concentrated by wind and water.

Answer 10

Placer Deposit

Question 11

A process where crushed ore is melted at high temperatures in furnaces to separate impurities from molten metal.

Answer 11

Smelting

Question 12

The layer of flux and impurities, which are less dense, formed on top of the molten metal during smelting.

Answer 12

Slag

Question 13

The process of returning land to its original or better condition after mining is completed.

Answer 13

Reclamation

Question 14

The remains of ancient organisms that changed into coal, oil, or natural gas.

Answer 14

Fossil Fuels

Question 15

A machine that converts mechanical energy, or motion, into electrical energy.

Answer 15

Electric Generator

Question 16

Oil that is pumped from the ground, also known as crude oil.

Answer 16

Petroleum

Question 17

Oil deposits that can be extracted profitably at current prices using current technology.

Answer 17

Oil Reserves

Question 18

The energy within the nucleus of an atom which nuclear power plants get their power from.

Answer 18

Nuclear Energy

Question 19

A process where the collisions of atoms cause the nuclei to split when bombarded with atomic particles.

Answer 19

Nuclear Fission

Question 20

When lightweight atomic nuclei combine to form a heavier nucleus and release tremendous amounts of energy.

Answer 20

Nuclear Fusion

Question 21

Energy from sources that are constantly being formed.

Answer 21

Renewable Energy

Question 22

The use of the sun’s energy to heat something directly.

Answer 22

Passive Solar Heating

Question 23

Technology that gathers energy from the sun through collectors to use to heat water or to heat a building.

Answer 23

Active Solar Heating

Question 24

Plant material, manure, and other inorganic matter that is used as an energy source.

Answer 24

Biomass Fuel

Question 25

Technology such as the experimental power station off the shores of Hawaii which use temperature difference between the surface at the ocean, which is warmed by solar energy, and deep ocean waters to generate electricity.

Answer 25

Ocean Thermal Energy Conversion (OTEC)

Question 26

Produces electricity chemically by combing hydrogen fuel with oxygen from the air like a battery.

Answer 26

Fuel Cell

Question 27

The sinking of regions of the ground with little or no horizontal movement.

Answer 27

Subsidence