Chapter 30- Vocab

Question 0

Geocentric model

Answer 0

Earth at the center model of the solar system

Question 1

Extrasolar planet

Answer 1

Planets in orbit around another star

Question 2

Heliocentric model

Answer 2

Sun at the center of the solar system model

Question 3

Earth

Answer 3

Third planet planet from the sun

Water in 3 states of matter

Question 4

Mars

Answer 4

Fourth planet from the sun

Red because of rusty surface

Question 5

Mercury

Answer 5

Smallest and closet planet to the sun

Question 6

Venus

Answer 6

Second planet from the sun

Dense carbon dioxide atmosphere very hot

Question 7

Asteroid

Answer 7

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

Question 8

Comet

Answer 8

Object in elliptical orbit around the sun

Made of dust and ice

Question 9

Dwarf planet

Answer 9

Almost spherical rocky object orbiting the sun

Debris in its orbit

Question 10

Jupiter

Answer 10

Fifth planet from the sun

Largest planet with swirling high pressure gas storms

Question 11

Meteoroid

Answer 11

Sand particle to boulder sized object orbiting the sun

Question 12

Neptune

Answer 12

Eighth planet from the sun

Looks blue because of methane in atmosphere

Question 13

Saturn

Answer 13

Sixth planet from the sun
Second largest in the solar system
Very visible rings

Question 14

Sedna

Answer 14

Distant planetoid
Smaller than Pluto, larger than a comet
Very elliptical orbit

Question 15

Uranus

Answer 15

Seventh planet from the sun
Axis of rotation is titled onto its side
Blue-green color

Question 16

Extraterrestrial life

Answer 16

Life beyond earth

Object of search by exobiologists