Listening skills

What is one similarity between Mars and Earth?

• Both planets have similar atmospheric composition

• Both planets have similar gravity

• Both planets can support human life

• Both planets have similar sizes

What is the main difference in the distance from the Sun between Mars and Earth?

• Mars is much closer to the Sun

• Mars is about 228 million kilometers from the Sun, while Earth is about 150 million kilometers

• Earth is about 228 million kilometers from the Sun, while Mars is about 150 million kilometers

• Earth is much further from the Sun

What is the approximate difference in astronomical units between Mars and Earth from the Sun?

• Earth is 2 astronomical units from the Sun and Mars is 1.3

• Earth is 1 astronomical unit from the Sun and Mars is 1.3

• Earth is 2 astronomical units from the Sun and Mars is 0.7

• Earth is 1 astronomical unit from the Sun and Mars is 0.7

What is the color of Earth and Mars respectively known as?

• Earth is the red planet and Mars is the blue planet

• Earth is the green planet and Mars is the yellow planet

• Earth is the blue planet and Mars is the red planet

• Earth is the yellow planet and Mars is the green planet

What percentage of Earth's gravity does Mars have?

• Mars has 10% of Earth's gravity

• Mars has 50% of Earth's gravity

• Mars has 25% of Earth's gravity

• Mars has 38% of Earth's gravity

What is one similarity in the length of days between Mars and Earth?

• Both planets have days that are 24 hours long

• Both planets have days that are 12 hours long

• Both planets have days that are 30 hours long

• Both planets have days that are 36 hours long

What is one difference in the atmospheric composition between Mars and Earth?

• Mars has mostly nitrogen and oxygen in its atmosphere

• Mars has mostly carbon dioxide in its atmosphere

• Mars has mostly helium in its atmosphere

• Mars has mostly hydrogen in its atmosphere

What is one similarity in the presence of water between Mars and Earth?

• Both planets have frozen water

• Both planets have liquid water on their surface

• Both planets have water vapor in their atmosphere

• Both planets have no water