The Inner Planets Lesson 3.4

Mars's atmosphere is composed mostly of

• nitrogen.

• hydrogen.

• oxygen.

• carbon dioxide.

Some regions of Mars have giant

• lakes.

• volcanoes.

• forests.

• rivers.

Tags

NGSS.MS-ESS2-4

All the inner planets have an atmosphere except

• Mercury.

• Venus.

• Earth.

• Mars.

The inner planets that experience a greenhouse effect are

• Mercury and Mars.

• Venus and Mars.

• Venus and Earth.

• Mercury and Earth.

The inner planets are small and dense and have smooth surfaces.

• True

• False

Tags

NGSS.MS-ESS1-3

Mercury rotates so slowly that its day is longer than its year.

• True

• False

The thick clouds on Venus are made up mostly of carbonic acid droplets.

• True

• False

Tags

NGSS.MS-PS1-2

Earth is unique in our solar system for having liquid mercury on its surface.

• True

• False

Oxygen makes up about 20 percent of Earth's atmosphere.

• True

• False

Space ships have given scientists important information about Mercury, Venus, and Mars.

• True

• False