Quiz on Earth and Mars

What is a similarity between Earth and Mars?

• Both planets are gas giants.

• Both planets have a similar surface composition.

• Both planets have no geological features.

• Both planets are terrestrial planets.

What is the name of the largest canyon on Mars?

• Grand Canyon

• Valles Marineras

• Mariner Valley

• Olympus Mons

How did the Grand Canyon on Earth primarily form?

• Through volcanic activity.

• Through erosion by the Colorado River.

• By meteor impacts.

• By tectonic plate movements.

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

• 60%

• 50%

• 80%

• 70%

Where is water primarily found on Mars today?

• In rivers and lakes.

• In frozen underground sources.

• On the surface as liquid.

• In the atmosphere as vapor.

What is a significant difference in plant life between Earth and Mars?

• Mars has abundant plant life.

• Earth has no plant life.

• Mars has extreme temperatures and lack of water.

• Both planets have similar soil conditions.

What caused the formation of Valles Marineras?

• Meteor impacts.

• Tectonic shifts.

• Volcanic eruptions.

• Erosion by water.

What is the main source of water on Earth?

• Underground rivers.

• Surface lakes only.

• Atmospheric vapor.

• Aquifers and glaciers.

What did the scientist in 'The Martian' use to grow potatoes?

• Aeroponics.

• Mars soil.

• Earth soil.

• Hydroponics.

What is the width of the Grand Canyon?

• 10 to 15 kilometers.

• 16 to 29 kilometers.

• 50 to 100 kilometers.

• 30 to 40 kilometers.