renewable energy sources and nuclear energy

Question 1

nuclear energy is

Answer 1

the energy contained within an atom

Question 2

nuclear energy is released through

Answer 2

nuclear reaction that split or combine atoms

Question 3

what is fission

Answer 3

the splitting of atoms to produce energy

Question 4

nuclear fission uses a type of what

Answer 4

uranium

Question 5

what happens when uranium atoms come apart

Answer 5

heat is produced that produces steam that is converted into electricity through generators

Question 6

fusion is

Answer 6

the process in which nuclei of small atoms join together to form new atoms

Question 7

nuclear fission: renewable or not

why?

Answer 7

not

it uses uranium-235 which is limited

Question 8

major concern with nuclear energy is

Answer 8

the radioactive waste it produces

Question 9

EPA

Answer 9

environmental protection agency

Question 10

nuclear waste must be

Answer 10

stored and contained for at least 10000 years before being returned to the environment

Question 11

what is the main disadvantage with nuclear fission

Answer 11

it can only occur at very high tempatures in a labratory setting

Question 12

what is an electrical generator

Answer 12

a device in which some form of energy is used to cause a magnet and coiled wire to move relative to one another, producing an electrical current

Question 13

what is earths primary source of energy

Answer 13

da sun

Question 14

what is solar energy

Answer 14

the energy that is contained in the electromagnetic waves that emenate from the sun

Question 15

most of solar energy is converted to

Answer 15

heat

Question 16

the circulation of earths atmosphere and sea is caused by what

Answer 16

solar energy

Question 17

what are solar cells for

Answer 17

collecting sunlight and transmitting it into electricity

Question 18

problems with solar cells

Answer 18

does bad on cloudy days, energy is variable, and energy is hard to store in batteries

Question 19

what is wind

Answer 19

and indirect form of solar energy that results from the uneven heating of the earths atmosphere

Question 20

windmills are used to

Answer 20

generate electricity

Question 21

downside of wind energy

Answer 21

its variable

Question 22

a wind farm is

Answer 22

a large number of windmills in an area for the purpose to produce energy

Question 23

wind power is

Answer 23

electricity produced by wind

Question 24

yawing is

Answer 24

the action of turning a wind turbine to face the winds direction

Question 25

water wheels have been used since for

Answer 25

ancient times grinding grain into flour

Question 26

what produced most of the energy in factories during the first half of the industrial revolution

Answer 26

water wheels

Question 27

the water cycle is

Answer 27

water evaporate when heat, come back down to earth, release energy while go to ocean

Question 28

in order to generate electricity from running water

Answer 28

a dam must be built to contain it

Question 29

what happens behind a dam

Answer 29

a lake is formed and turns the turbines at the base of the dam when it is released turbines turn generators with produce electricity

Question 30

downside with construction of dams

Answer 30

destroys forest and wildlife

Question 31

what is conservation

Answer 31

the limited use of energy order to prolong its supply

Question 32

what are the three r's

Answer 32

reduce reuse recycle

Question 33

can electrical energy be transformed into almost any other type of energy

Answer 33

yes

Question 34

geothermal energy is

Answer 34

the energy that exists within the earth

Question 35

where does geothermal energy escape through

Answer 35

hot springs, geysers, volcanoes

Question 36

where did geothermal energy originate from

Answer 36

when it was first formed and radioactive rocks