19e) Questions - Challenges of Living on Mars

Which of the following is a challenge for humans trying to obtain water on Mars?

• Water is only found in the form of vapor in the atmosphere

• Water is abundant and easily accessible on the surface

• Water is mostly frozen as ice or bound in minerals

• Mars has large lakes of liquid water

Why is breathing the air on Mars not possible for humans without assistance?

• The air is too hot

• The air is mostly carbon dioxide and lacks oxygen

• The air is too humid

• The air is filled with nitrogen

Which of the following best describes the gravity on Mars compared to Earth?

• The same as Earth

• About half of Earth's gravity

• About one-third of Earth's gravity

• Twice Earth's gravity

What is the main reason why Mars' surface temperature is much colder than Earth's?

• Mars is closer to the Sun

• Mars has a thin atmosphere that cannot retain heat

• Mars has more volcanoes

• Mars has a thick ozone layer

Why do astronauts need to wear pressurized suits on Mars?

• To protect from high temperatures

• To provide oxygen and maintain pressure

• To keep out Martian insects

• To help them fly

Which of the following best explains why Mars does not have a strong magnetic field to protect against radiation?

• Mars is too close to the Sun

• Mars' core is not active like Earth's

• Mars has too much water

• Mars spins too quickly

Why would growing plants inside a Mars habitat be challenging?

• Lack of sunlight and low atmospheric pressure

• Too much oxygen

• Too much water

• High temperatures

How could astronauts produce oxygen on Mars using local resources?

• By splitting carbon dioxide molecules using electrolysis

• By burning Martian rocks

• By freezing the atmosphere

• By collecting Martian dust

How could dust storms on Mars affect human missions?

• They could reduce solar power and damage equipment

• They would increase oxygen levels

• They would make the air warmer

• They would help grow plants

If a Mars mission plans to use local resources for building shelters, which material is most likely to be used?

• Martian regolith (soil)

• Wood from Martian trees

• Plastic from Mars' oceans

• Ice from Mars' clouds