chemistry

Question 1

kinetic energy is the energy of

Answer 1

motion

Question 2

the kinetic theory of matter states that all of the particles complete the sentence

Answer 2

made up matter are constantly in motion because the particles are in motion

Question 3

the faster the particles are moving the less kinetic energy they have t or f

Answer 3

f

Question 4

the particles in a solid

Answer 4

don’t move but they vibrate

Question 5

the particles in a liquid

Answer 5

slide past eachother

Question 6

the particles in a gas

Answer 6

the particles are apart from each other and move at high speeds

Question 7

temperature is the

Answer 7

measurement of the average kinetic energy of all particles in a substance

Question 8

cold

Answer 8

slow

Question 9

hot

Answer 9

fast

Question 10

degrees are not equally spaced units between three units fix this sentence

Answer 10

degrees are equally spaced units between two units

Question 11

the space between degrees can not vary from scale to scale t or f

Answer 11

f

Question 12

temperature is measured by a

Answer 12

thermometer

Question 13

Celsius scale freeze

Answer 13

freezes at 0

Question 14

Celsius scale boiling

Answer 14

100

Question 15

Celsius scale room temp

Answer 15

20

Question 16

Celsius scale body temp

Answer 16

37

Question 17

Fahrenheit boiling

Answer 17

212

Question 18

Fahrenheit freezing

Answer 18

32

Question 19

Fahrenheit room temp

Answer 19

68

Question 20

Fahrenheit body temp

Answer 20

98.6

Question 21

Kelvin boils

Answer 21

373

Question 22

kelvin freezes

Answer 22

273

Question 23

kelvin room temp

Answer 23

293

Question 24

kelvin body temp

Answer 24

310

Question 25

how many units between the Celsius and Kevin scale boiling to freezing

Answer 25

100

Question 26

there are 280 units from the

Answer 26

Fahrenheit scale

Question 27

thermal energy is the total

Answer 27

kinetic energy of of all particles in a substance

Question 28

thermal energy is measured by

Answer 28

joules

Question 29

heat is the energy transferred from a

Answer 29

higher temp to a lower temp

Question 30

one colorie is equal to the amount of energy needed to lower the temp t or f

Answer 30

f

Question 31

heat is also measured by

Answer 31

joules

Question 32

calories are measured by a

Answer 32

calorimeter

Question 33

adding or removing hat fro a substance will

Answer 33

affect its temp and thermal energy

Question 34

conduction is the

Answer 34

transfer of energy as heat from a mustache to another substance thru direct contact

Question 35

a conductor is a material that transfers

Answer 35

heat very well

Question 36

example of a conductor

Answer 36

metal

Question 37

an insulator is a material that's a good conductor t or f

Answer 37

false its a bad conductor

Question 38

examples of an insulator

Answer 38

wood plastic and paper

Question 39

convection is the transfer of heat by the movement of a

Answer 39

liquid and gas

Question 40

radiation is the

Answer 40

transfer of energy by electro magnetic waves

Question 41

examples of radiator

Answer 41

microave

Question 42

heat always flows from

Answer 42

hot to cold

Question 43

more particles =

Answer 43

more thermal energy

Question 44

in most substances when temp increases

Answer 44

density decreases

Question 45

the motion of convention is called

Answer 45

convection current

Question 46

a renewable source is an

Answer 46

energy source that can be renewed by nature

Question 47

a nonrenewable source is

Answer 47

a energy source that cannot be renewed or restored

Question 48

examples of renewable sources

Answer 48

crops trees sun wind

Question 49

examples of nonrenewable sources

Answer 49

uranium natural gas perytrooleum coal

Question 50

methane is the main componme of

Answer 50

natural gas

Question 51

disadvantages of natural gas

Answer 51

it proudu ces carbon dio

Question 52

coal is

Answer 52

a sedimentary rock that form by the remains of dead pants at the bottom of ancient swamps

Question 53

coal disadvantage

Answer 53

it destroys landscaped and pollutes water supplies

Question 54

whats rock oil

Answer 54

petroleum

Question 55

how does petroleum form

Answer 55

its forms by the remains of a single called aquatic organism that lived long ago

Question 56

disadvantages of petroleum

Answer 56

it can react with sunlight to produce smog a fog like layer of air pollution

Question 57

what ran formations do fossils go

Answer 57

first raw fossils are obtained by drilling or mining them the fossils are transported and later converted into usable;e energy

Question 58

each of these transportations

Answer 58

potentially affect the environment in its negative ways

Question 59

whats an alternative energy source

Answer 59

is a source that can be used instead of fossil fuels

Question 60

solar energy is not renewable t or f

Answer 60

f its renewable

Question 61

where does solar energy come from

Answer 61

the sun

Question 62

solar energy can be converted into

Answer 62

electrical energy

Question 63

nuclear energy is a renewable source t or f

Answer 63

f its not renewable

Question 64

why is nuclear energy not renewable

Answer 64

because its from the earths crust

Question 65

disadvantages of nuclear energy

Answer 65

they produce radioactive wastes

Question 66

hydroelectric energy is renewable t or f

Answer 66

t

Question 67

disadvantages of hyrdroeledtic energy

Answer 67

it floods lands and destroy habbits

Question 68

wind energy is renewable t or f

Answer 68

t

Question 69

disadvantages of wind energy

Answer 69

it can threaten animals cs of the blades

Question 70

from where is geothermal energy extracted

Answer 70

from heat stored in earth

Question 71

geothermal is renewable but

Answer 71

it is only found in specific places in earth

Question 72

biomass can only be used as

Answer 72

fuel

Question 73

bio mass is not renewable t o f

Answer 73

f its renewable

Question 74

disadvantages of biomass

Answer 74

it releases carbon dioxide

Question 75

sun light doesn't fall evenly on earth t or f

Answer 75

true

Question 76

whats the melting point of water

Answer 76

25