Answer Questions from notes

How far is Mars from the Sun?

• 150 million kilometres

• 228 million kilometres

• 500 million kilometres

• 780 million kilometres

What is the average temperature on Mars?

How long is a day on Mars?

• 24 hours

• 23 hours

• 24 hours and 30 minutes

• 25 hours

True or False: Mars and Earth are the same distance from the Sun.

• True

• False

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

• 50%

• 60%

• 70%

• 80%

What is the main component of Mars's atmosphere?

• Nitrogen

• Oxygen

• Carbon Dioxide

• Methane

True or False: Mars is called the blue planet, and Earth is called the red planet.

• True

• False

True or False: There is no evidence that Mars ever had water.

• True

• False

True or False: The air on Mars is mostly nitrogen, just like on Earth.

• True

• False

What is the approximate gravity on Mars compared to Earth?

• 100%

• 50%

• 38%

• 10%