heat and temperature

Question 1

name 8 different types of energy

Answer 1

strain, movement(kinetic), gravitational, heat , sound, light, chemical and electrical

Question 2

explain the law of the conservation of energy

Answer 2

energy can never be destroyed or created. only changed from one type to another

Question 3

name 4 types of non-renewable sources

Answer 3

oils, gases, coal, nuclear

Question 4

what is a non-renewable source

Answer 4

something which can run out

Question 5

name 6 types of renewable

Answer 5

tidal, solar, wind, hydro, geothermal, biomas

Question 6

name 3 fossil fuels

Answer 6

oils, gases, coal

Question 7

describe 4 uses for coal

Answer 7

home heating, generating electricity, making steel, making concrete

Question 8

describe 6 uses of gas

Answer 8

generating electricity, home use, making plastic,, fertilizers, drugs, fabrics

Question 9

describe 4 uses of oils

Answer 9

home heating, makeup, welly boots, plastic bags, golf balls

Question 10

5 advantages of fossil fuels

Answer 10

easy to find, reliable, easy to transport, contains chemical energy,

Question 11

how were oils/gases formed

Answer 11

dead sea creatures, plants are buried over millions over years, heat and pressure turns them into oils and gases

Question 12

what is nuclear fission

Answer 12

the nucleus of an atom is split and turned into energy

Question 13

what are the advantages of nuclear power

Answer 13

it is low on carbon energy sources and is essential to our response to climate change

Question 14

what are the disadvantages to nuclear power

Answer 14

expensive to build and produces radio active waste

Question 15

what is sustainable energy

Answer 15

source of energy that can be natualy replaced

Question 16

give an example of a sustainable source

Answer 16

wood, hay, straw

Question 17

what is a finite energy source

Answer 17

something that will eventually run out

Question 18

what is a infinite energy source

Answer 18

something that will last forever

Question 19

what is an advantage of wind energy

Answer 19

it doesn’t create any pollution

Question 20

what is a disadvantage of wind energy

Answer 20

it wont always be windy

Question 21

what is an advantage of solar energy?

Answer 21

does not produce any pollution s

Question 22

what is a disadvantage of solar energy

Answer 22

it may not always be sunny

Question 23

what is an advantage of hydroelectric energy?

Answer 23

no pollution

Question 24

what is a disadvantage of hydroelectric energy?

Answer 24

there may not be enough rain / water to produce the energy

Question 25

what is biomass energy?

Answer 25

the use of organic material to generate energy

Question 26

give an example of organic matter used in biomass energy

Answer 26

woods pellets, dung, sewage , grass clippings

Question 27

what is geothermal energy?

Answer 27

heat from the earth

Question 28

what is wave energy?

Answer 28

the power of waves in the ocean to generate electrivity

Question 29

what does heat energy do to particles of a solid?

Answer 29

makes the particles that make up the solid vibrate

Question 30

when heat is transferred in solids what way does it travel?

Answer 30

from hotter areas towards cooler areas

Question 31

what is convection

Answer 31

the transfer of heat through liquids

requires particles

Question 32

what is conduction

Answer 32

the transfer of heat or electricity through a solid

reqires particles

Question 33

what is radiation

Answer 33

the way heat travels from the sun to earth through a vacuum

does not require particles

Question 34

at what speed does radiation travell?

Answer 34

the speed of light

Question 35

Name some conductors

Answer 35

metals

eg copper, steel, magnesium, gold or tin

Question 36

what is an insulator?

Answer 36

a poor conductor eg. wood , plastic, glass, oxygen, nitorgen