Earth Science Earth/Mars Comparison

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Which has a longer day? Mars/Earth/Both?

Mars

Which has a longer year? Mars/Earth/Both?

Mars

Which has major dust storms over the entire planet? Mars/Earth/Both?

Mars

Which has the coldes taverage surface temp? Mars/Earth/Both?

Mars

Which is farther from the sun? Mars/Earth/Both?

Mars

How does gravity compare on Earth and Mars if Earth is given a value of 1?

Mars would be 0.38

What's Earth's moon's name?

Moon (Luna)

What is the highest point on Earth?

Mt.Everest

What is the highest point on Mars?

Olympus Mons

What are Mars' moons' names?

Phobos and Deimos

What does AU represent?

astronomical unit

What is the most abundant gas on Mars?

carbon dioxide

What are the two most abundant gases in the atmosphere of ars?

carbon dioxide, nitrogen

Which term refers to an attrractive force between two objects?

gravity

Which has polar ice caps? Mars/Earth/Both?

Both

Which has seasons? Mars/Earth/Both?

Both

Which has water present? Mars/Earth/Both?

Both

How many moons does Earth have?

1

How many moons does Mars have?

2

How long does it take radio signals to get from Earth to Mars?

20 minutes

What is the length of a day on Earth?

23 hours 56 minutes

What is the degree tilt of Earth on its axis?

23.5

What is the length of a day on Mars?

24 hours 37 minutes

What is the degree tilt on it's axis of Mars?

25.1

What is the length of a year on Earth?

365.25

What is the length of a year on Mars?

687

Which has gravity? Mars/Earth/Both?

Both

Which has oxygen in the atmosphere? Mars/Earth/Both?

Both

Which has a greater diamete? Mars/Earth/Both?

Earth

Which has a protective ozone layer? Mars/Earth/Both?

Earth

Which has a significant magnetic field? Mars/Earth/Both?

Earth

Which has active volcanoes? Mars/Earth/Both?

Earth

Which has crust that currently moves and breaks? Mars/Earth/Both?

Earth

Which has hurricanes, tornadoes and thunderstorms? Mars/Earth/Both?

Earth

What is the diff. between the polar regions of Earth and Mars?

The polar ice caps on Mars are a mixture of water and carbon dioxide.

Which mineral or rock gives Mars its reddish color?

iron oxide

What is the 2nd most abundant gas on Mars?

nitrogen

Which of the following best describes a year?

one complete revolution of a planet

What is the best definition of a day?

one complete rotation of a planet

Which term refers to the movement of one object around another?

revolution

Which term refers to the spinning of an object (planet) on it's axis?

rotation

1 AU=?

the distance from the sun to Earth


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