unit 9 practice test

Question 1

reducing the amount of energy used

Answer 1

Energy conservation

Question 2

energy that is stored in the bonds between different atoms and molecules

Answer 2

chemical energy

Question 3

energy that is produced from the flow of electrons

Answer 3

electrical energy

Question 4

electricity generated through the movement of tidal water

Answer 4

Tidal power

Question 5

a structure where electricity is made through controlled nuclear fission chain reactions

Answer 5

Nuclear reactor

Question 6

a measure of how much energy that is put into a system

Answer 6

Energy efficiency

Question 7

the point at which the global rate of oil production will be at its maximum and then decline

Answer 7

Peak oil

Question 8

kinetic and potential energy in use

Answer 8

Mechanical energy

Question 9

wood, plant materials, or animal feces that are burned directly

Answer 9

Solid biomass

Question 10

a process that uses different methods to collect and concentrate solar energy to boil water and produce steam to generate electricity in power plants

Answer 10

Solar thermal system

Question 11

a place within the earth’s crust that has concentrated areas of heat

Answer 11

Hydrothermal reservoir

Question 12

What us hydroelectricity net energy ratio

Answer 12

20-40

Question 13

an ice-like solid that contains both methane and water

Answer 13

Methane hydrate

Question 14

___ is a biofuel that could replace gasoline in cars and is often made from corn in the United States.

Answer 14

Ethanol

Question 15

a system that uses temperature differences between the ground and the air to heat or cool houses

Answer 15

Geothermal heat pump

Question 16

energy that is part of electromagnetic radiation

Answer 16

Light energy

Question 17

the radioactive material that is left over from the process of generating electricity

Answer 17

Nuclear waste

Question 18

ancient plant life in a rock form that is easily burned

Answer 18

Coal

Question 19

___ is available in many areas and has no net increase in carbon dioxide emissions if forests are replanted.

Answer 19

Solid Biomass

Question 20

What is nuclear powers net energy ratio

Answer 20

8-16

Question 21

an energy source that is formed from ancient dead organisms

Answer 21

Fossil fuel

Question 22

what us coals net energy ratio

Answer 22

11-33

Question 23

plant materials or solid wastes that have been converted to a gaseous or liquid form

Answer 23

Biofuel

Question 24

the process of using building design to collect, store, and distribute sunlight in a building naturally

Answer 24

Passive solar heating

Question 25

_____ power is the fastest-growing type of renewable energy that can be used to generate electricity for a power plant or for individual homes.

Answer 25

Solar

Question 26

a device that directly converts solar energy into electricity

Answer 26

Photovoltaic cell

Question 27

the burning of something

Answer 27

combustion

Question 28

_____ is inexpensive, abundant in the United States, does not require a high level of processing, has a net energy ratio of 33, and emits the most pollutants and greenhouse gases of all energy sources.

Answer 28

Coal

Question 29

a mixture of rock and hydrocarbons that can be burned directly

Answer 29

oil shale

Question 30

_____ coal has the highest net energy value of all coal.

Answer 30

Anthracite

Question 31

energy found within an atom

Answer 31

Nuclear energy

Question 32

_____ is abundant and can be made into many products, and many countries depend on foreign imports for supply.

Answer 32

oil

Question 33

a device that moves a magnet near copper metal wires in order for electrons to flow freely

Answer 33

Generator

Question 34

​​​​____ power is reliable, but there are not many places in the world that are suitable for generating this type of power.

Answer 34

Tidal

Question 35

the total kinetic energy of all the vibrating atoms and molecules in an object

Answer 35

Thermal energy

Question 36

electricity that is generated through converting heat energy from the ocean

Answer 36

Ocean thermal energy

Question 37

the process of using technology to collect, store, and distribute sunlight in a building

Answer 37

Active solar heating

Question 38

​​​​​​​​​____ is a renewable, inexpensive, reliable source of electricity that has little to no carbon dioxide emissions, but it may cause geological damage, methane emissions, and habitat loss.

Answer 38

Hydroelectricity

Question 39

energy in motion

Answer 39

kinetic energy

Question 40

a fossil fuel that is a mixture of methane and other gases

Answer 40

Natural gas

Question 41

___ can produce methane emissions.

Answer 41

Hydroelectric power

Question 42

_____ is abundant in the United States and burns cleaner than other fossil fuels.

Answer 42

Natural gas

Question 43

an extraction method for hard-to-reach reservoirs of natural gas or petroleum

Answer 43

Fracking

Question 44

a reaction where an atom’s nucleus is split apart to form smaller nuclei

Answer 44

Nuclear fission

Question 45

a reaction where two atoms join together to make a new atom

Answer 45

Nuclear fussion

Question 46

a machine that has a rotor and blade

Answer 46

Turbine

Question 47

______ is a very clean fuel that could replace gasoline but at present has a negative net energy.

Answer 47

Hydrogen

Question 48

If you live in a place that gets its electricity from a coal plant, it is better to drive a(n) ____ car.

Answer 48

Hybrid

Question 49

___ electricity is very efficient at accessible sites but expensive at nonaccessible sites and can lead to groundwater depletion.

Answer 49

Geothermal

Question 50

electricity generated through moving water

Answer 50

Hydroelectricity

Question 51

a device that uses hydrogen and oxygen to produce electricity

Answer 51

Fuel cell

Question 52

a chemical compound extracted from oil to make products

Answer 52

Petrochemical

Question 53

_____ power is a relatively safe, reliable way to generate electricity, but it produces hazardous waste and has low net energy.

Answer 53

Nuclear

Question 54

sand and clay particles that contain bitumen

Answer 54

oil sand

Question 55

Nuclear power plants use controlled nuclear chain reactions to generate electricity. In these reactions, which atomic particle is used to break apart the atom?

Answer 55

neutron

Question 56

What is wind powers net energy ratio

Answer 56

20-25

Question 57

​​​​_____ energy has moderate to high net energy and can be used on existing farmlands, but it can be dangerous to birds and is not always reliable.

Answer 57

Wind

Question 58

heat stored in soil, underground rocks, and the fluid in the earth’s mantle

Answer 58

Geothermal energy

Question 59

____ is still in the experimental stage.

Answer 59

Ocean thermal energy

Question 60

the amount of energy a source provides after the energy used to extract, process, and transport the source has been subtracted

Answer 60

Net energy

Question 61

force applied to an object

Answer 61

work

Question 62

the ability to do work

Answer 62

energy

Question 63

a liquid, dark fossil fuel made mostly of hydrocarbons

Answer 63

Petroleum

Question 64

stored energy

Answer 64

Potential energy

Question 65

plant materials or animal wastes that can be burned for energy

Answer 65

Biomass energy