planets

Question 1

the start of the universe was called the

Answer 1

nebula

Question 2

did the nebula begin to contract? why was this?

Answer 2

bc of gravity

Question 3

what caused the nebula to heat up

Answer 3

particles caused the nebula to heat up

Question 4

as it contracted it

Answer 4

started spinning faster

Question 5

the centrifugal forces

Answer 5

it is also known as the spinning force

Question 6

the centrifugal force is trying to fling everything outward, while ———

Answer 6

gravity pulls it back in

Question 7

this causes it to become a

Answer 7

disk shape

Question 8

center gets hot

Answer 8

fusion- now sun created

Question 9

condensing

Answer 9

in the outer solar system the gases and ices stick together

Question 9

condensing

Answer 9

in the outer solar system the gases and ices stick together

Question 10

accretion

Answer 10

rocky materials and metals form chunks

Question 11

lastly we have

Answer 11

planet formstion

Question 12

gas and ice giants form bc

Answer 12

the outer solar system gets so cold that gases and chucks of ice are trapped and form planets

Question 13

——— planets form

Answer 13

terrestrial planets

Question 14

sun

Answer 14

main bc sequence star
made ohydrogen of and helium
accounts for 99.8%

Question 15

mercury

Answer 15

smallest planet

Question 16

venus

Answer 16

hottest planet

Question 17

earth

Answer 17

most dense

Question 18

mars

Answer 18

red due to rust

Question 19

jupiter

Answer 19

largest planet

Question 20

saturn

Answer 20

least dense

Question 21

uranus

Answer 21

coldest

Question 22

neptune

Answer 22

farthest form sun