Planets Chap 3,4,5

Question 1

Greenhouse effect

Answer 1

The trapping of heat by a planets atmosphere.

Question 2

Gas giant

Answer 2

The name given to the four OUTER planets.

Question 3

Ring

Answer 3

A think disk of small ice and rock particles surrounding a planet.

Question 4

Comet

Answer 4

A loose collection of ice, dust, and small rocky particles with a long, narrow orbit.

Question 5

Coma

Answer 5

The fuzzy outer layer of a comet.

Question 6

Nucleus

Answer 6

The solid inner core of a comet.

Question 7

Kuiper Belt

Answer 7

A doughnut shaped region.

Question 8

Oort Cloud

Answer 8

A spherical region of comets that surround the solar system.

Question 9

Asteroid

Answer 9

Rocky objects revolving around the sun that are too small and numerous to be considered planets.

Question 10

Asteroid belt

Answer 10

The region of the solar system between the orbits of Mars and Jupiter.

Question 11

Meteor

Answer 11

A streak of light in the sky caused by a burning meteoroid in Earths atmosphere.

Question 12

Meteoroid

Answer 12

A chunk of rock or dust in space.

Question 13

Meteorite

Answer 13

A meteoroid that passes through Earths atmosphere and hits Earth.

Question 14

Terrestrial planets

Answer 14

The name often given to the four INNER planets.