Chapter 30.1

Question 1

Vocab: Earth is considered the center and everything else revolves around it

Answer 1

geocentric model

Question 2

Vocab: the Moon revolves around Earth and that Earth and the other planets revolve around the sun

Answer 2

heliocentric model

Question 3

Vocab: planets in orbit around stars other than the sun

Answer 3

extrasolar planets

Question 4

Who came up with the geocentric model?

Answer 4

Ptolemy

Question 5

Who came up with the heliocentric model?

Answer 5

Nicholas Copernicus

Question 6

Who supported Copernicus’s model by using a telescope?

Answer 6

Galileo Galilei

Question 7

Who discovered the planets travel around the Sun in ellipses, not spheres?

Answer 7

Johannes Kepler

Question 8

True/False: Do planets travel at different speeds?

Answer 8

True

Question 9

this equals the average distance from Earth to the sun (about 150 km)

Answer 9

astronomical unit (AU)

Question 10

What are planets similar Earth called?

Answer 10

terrestrial planets

Question 11

What planets are similar to Earth’s names?

Answer 11

Mercury, Mars, Venus

Question 12

What are the gas/giant planets also know as?

Answer 12

Jovian planets

Question 13

What are the names of the Jovian planets?

Answer 13

Saturn, Neptune, Uranus, Jupiter

Question 14

What are the names of the the planets that are within the asteroid belt and outside the asteroid belt?

Answer 14

Inner planets and outer planets

Question 15

What planets are considered to be inner planets?

Answer 15

Mercury, Venus, Earth, Mars

Question 16

Which planets are considered to be outer planets?

Answer 16

Jupiter, Saturn, Uranus, Neptune

Question 17

What are the planets called that are between the sun and the earth and planets that are beyond Earth called?

Answer 17

Inferior and superior

Question 18

Which planets are inferior?

Answer 18

Mercury and Venus

Question 19

Which planets are considered to be superior?

Answer 19

Mars, Jupiter, Saturn, Uranus, Neptune