Inner and Outer Planets Study Guide Flash Cards

Characteristics of inner and outer planets

• Inner planets are gaseous and larger; outer planets are rocky and smaller.

• Inner planets are rocky and smaller; outer planets are gaseous and larger.

• Inner planets are larger and gaseous; outer planets are smaller and rocky.

• Inner planets are icy and larger; outer planets are rocky and smaller.

Planet with liquid water and an atmosphere that filters out some of the Sun’s radiation

• Mars

• Venus

• Earth

• Jupiter

Planet with a 400-year-old storm.

• Jupiter

• Saturn

• Neptune

• Mars

Two reasons how planets are different from other space objects like stars or comets

• Planets orbit stars and do not emit their own light.

• Planets are larger than stars and have rings.

• Planets are made of gas and are always found in clusters.

• Planets can be seen from Earth without a telescope.

Large, round object that revolves around a star and has cleared the area around its orbit

• A planet

• A comet

• A moon

• An asteroid

Order of planets by temperature: Mars, Mercury, Earth.

• Mercury, Earth, Mars

• Earth, Mars, Mercury

• Mars, Mercury, Earth

• Venus, Earth, Mars

Inner planets

• Mercury, Venus, Earth, Mars

• Jupiter, Saturn, Uranus, Neptune

• Pluto, Eris, Haumea, Makemake

• Mars, Jupiter, Saturn, Venus

Choice of planet to live on and three survival items needed

• Oxygen, food, and shelter

• Water, clothing, and tools

• Fire, medicine, and transportation

• Air, weapons, and entertainment

All of the outer planets are made up of

• Gases and Liquid around a solid core

• Solid rock and metal

• Ice and dust

• Liquid water and gas

Force that keeps Earth in orbit around the Sun

• Magnetism

• Gravity

• Friction

• Electromagnetism