Energy, Chp. 1

Question 1

Mass Energy

Answer 1

the energy stored in the mass of an object

Question 2

Heat Energy

Answer 2

the kinetic energy of molecules

Question 3

Electric Energy

Answer 3

is not an energy source, it’s a convenient way to transmit and use energy

Question 4

Potential Energy

Answer 4

is energy due to position

Question 5

Chemical Energy

Answer 5

the energy stored in chemical bonds of molecules

Question 6

Fossil Fuels

Answer 6

non-renewable energy sources: coal, oil, natural gas

Question 7

Renewable Energy

Answer 7

solar, tidal, geothermal

Question 8

Geothermal

Answer 8

heat from Earth’s interior

Question 9

Hydroelectric

Answer 9

the electricity generated by the power of flowing water

Question 10

Principle of Energy Conservation

Answer 10

energy cannot be created or destroyed, it can change from one form to another

Question 11

Joule

Answer 11

the metric unit of energy

Question 12

British Thermal Unit

Answer 12

it’s a relatively large amount, is based on the amount of heat energy given to a known amount of water to increase its temperature

Question 13

The calorie

Answer 13

the amount of energy required to raise the temperature of one gram of water by one degree celsius.

Question 14

The Calorie

Answer 14

1000 time larger than the calorie

Question 15

The Foot-Pound

Answer 15

a useful unit for energy, foot=distance and pound=force

Question 16

Electromagnetic Radiation

Answer 16

how energy radiated by the sun travels to Earth and elsewhere, includes the spectrum

Question 17

Energy Conservation

Answer 17

using less energy in industry, transportation, commercial, residential

Question 18

Nuclear Fission

Answer 18

a nucleus splitting into smaller parts

Question 19

Nuclear Fusion

Answer 19

when two or more nuclei collide forming a new type of nucleus

Question 20

Watt

Answer 20

unit of power, the rate at which energy is used

Question 21

Horsepower

Answer 21

unit of measurement of power, the rate at which work is done.

Question 22

Work

Answer 22

force times the distance through which the force acts, like pushing an object through a rough surface

Question 23

Mechanical Energy

Answer 23

the sum of potential and kinetic energy

Question 24

Energy Efficiency

Answer 24

using less energy to provide the same service

Question 25

Newton

Answer 25

metric system unit of force

Question 26

Energy consumption

Answer 26

the consumption of energy or power

Question 27

Energy Transformation

Answer 27

the process of changing one form of energy to another