Ch 30 Vocab

Question 0

Heliocentric model

Answer 0

Sun at the center of the solar system

Question 1

Extrasolar planet

Answer 1

Planets in orbit around another star

Question 2

Geocentric model

Answer 2

Earth at the center model of the solar system

Question 3

Venus

Answer 3

Second planet from the sun, dense carbon dioxide atmosphere, very hot

Question 4

Earth

Answer 4

Third planet from the sun, water in three states of matter

Question 5

Mars

Answer 5

Fourth planet from the sun, red because of rusty surface

Question 6

Jupiter

Answer 6

Fifth planet from the sun, largest planet with swirling high pressure gas storms

Question 7

Saturn

Answer 7

Sixth lament away from the sun, second largest in solar system, has visible rings.

Question 8

Uranus

Answer 8

Seventh planet from the sun,maxis of rotation is tilted onto its side, blue green color

Question 9

Mercury

Answer 9

Smallest and closest planet to the sun

Question 10

Neptune

Answer 10

Eighth planet from the sun, looks blue because of methane in atmosphere

Question 11

Asteroid

Answer 11

Rocky object orbiting the sun, between the orbits of mars and Jupiter

Question 13

Comet

Answer 13

Object in elliptical orbit around the sunk made of dust and ice, has ahead and tail

Question 13

Dwarf Planet

Answer 13

Almost spherical rocky object orbiting the sun, has debris in its orbit

Question 15

Meteoroid

Answer 15

Sand particle to boulder sized object orbiting the sun

Question 15

Sedna

Answer 15

Distant planetoids, smaller than Pluto larger than a comets very elliptical orbit

Question 16

Extraterrestrial life

Answer 16

Life beyond earth, object of search by exobiologists