Quiz on Earth and Mars

What is a similarity between Earth and Mars?

• Both planets are gas giants.

• Both planets have a terrestrial surface.

• Both planets have no geological features.

• Both planets are completely covered in ice.

What is the name of the largest canyon on Mars?

• Olympus Mons

• Valles Marineras

• Mariner Valley

• Grand Canyon

How did the Grand Canyon on Earth primarily form?

• By meteor impacts.

• By tectonic plate movements.

• Through erosion by the Colorado River.

• Through volcanic activity.

What percentage of Earth's surface is covered in water?

• 50%

• 30%

• 70%

• 90%

Where is water primarily found on Mars today?

• Flowing on the surface.

• In the atmosphere.

• Frozen underground.

• In rivers and lakes.

What is necessary for plant life to exist on Mars according to Gary Jordan?

• Rich soil without any additives.

• Abundant water sources.

• Fertilizers and nutrients.

• High temperatures.

What geological feature is common to both Earth and Mars?

• Mountains.

• Volcanoes.

• Oceans.

• Canyons.

What is the primary form of water found on Earth?

• Vapor.

• Liquid.

• Ice.

• Gas.

What is a significant difference between Earth and Mars regarding water?

• Both planets have the same amount of water.

• Mars has no record of present flowing water.

• Earth has no water sources.

• Mars has more water than Earth.

What is the main reason plant life does not thrive on Mars?

• Lack of sunlight.

• High levels of carbon dioxide.

• Extreme temperatures and lack of water.

• Rich soil composition.