Which of the inner planets is the smallest?

• Mercury

• Venus

• Earth

• Mars

Tags

NGSS.MS-ESS1-3

Which of these planets is the hottest in the solar system?

• Mercury

• Mars

• Venus

• Jupiter

Which of these planets has liquid water on the surface?

• Earth

• Venus

• Mars

• Mercury

The surface of Mercury is covered with

• gases
• volcanoes
• craters
• water

Mars has a red surface because of what mineral?

• iron
• lead
• plastic
• gold

The atmospheric heating that occurs on Earth's surface in which carbon dioxide molecules trap heat from the Sun's UV rays is known as...

• The Greenhouse Effect

• The Runaway Greenhouse Effect

• A Solar Flare

• An Impact Crater

Tags

NGSS.MS-ESS3-5

Venus is known as Earth's "sister" planet because it is similar in size, density, and mass to our planet.

• True

• False

Tags

NGSS.MS-ESS1-3

Earth is the ___________ planet from the Sun.

• First

• Second

• Third

• Fourth

Which planet do scientist theorize once had liquid water on it?

• Mercury

• Venus

• Mars

• Saturn

Tags

NGSS.MS-ESS2-4

The four inner planets all have:

• Hot temperatures

• Rocky surfaces

• Deep atmospheres

• Large size