HMH Solar System Quiz 7.9C

What attributes of the Sun are crucial for enabling life on Earth?

• A Attributes 1, 2, and 3

• B Attributes 2 and 4

• C Attributes 1, 3, and 5

• D Attributes 2, 3, and 6

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Which planet would be the most likely place to observe for life?

• A

• B

• C

• D

According to the information above, why would planet E NOT be a good place to look for life?

• Too hot

• No oxygen

• Too cold

• No water

All of the following are ways that the atmosphere makes the existence of life on Earth possible EXCEPT —

• maintains a constant temperature

• shields Earth from small collisions

• offers protection from radiation

• allows for gas exchange between plants and animals

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NGSS.MS-LS2-3

Based on the picture, all of the following are reasons why Mercury does NOT support life EXCEPT —

• it has a rocky, solid surface.

• its proximity to the Sun makes its temperatures very extreme.

• it has no atmosphere.

• it has no liquid surface to support the needs of living organisms.

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NGSS.MS-LS1-5

Using the picture, why does the Moon most likely NOT support life?

• It has many craters, indicating that it does not have a protective atmosphere.

• It is too far from the Sun.

• It has too much sulfur, indicating that all microscopic organisms cannot make energy there.

• It has too much volcanic activity.

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What are the ideal conditions for a planet to be considered habitable? Select TWO correct answers.

• The planet must have a temperature that allows liquid water to exist.

• The planet must be free of an atmosphere so that gases can move in and out of space.

• The planet should have a magnetic field to help protect it from the star's radiation.

• The planet should be as far away from the Sun as possible so that its thermal and solar energy do not overheat the planet.

• The planet should have high amounts of nitrogen and oxygen so that living organisms can survive.

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Both Earth and Mars are seen inside the Sun's habitable zone. While the Earth has life, life has not been found on Mars. Which of the following are reasons for life to be non-existent on Mars? Select TWO correct answers.

• Mars lacks water.

• Mars is not close enough to the Sun.

• Mars has a thin atmosphere.

• Mars has small plant species such as moss and lichens to break down rock in order to form soil.

• Mars lacks the elements needed to create carbon dioxide.

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Which characteristic of our solar system is most crucial to support life on Earth?

• the length of time of Earth’s revolution

• distance between the Earth and Sun

• the distance between the Sun and other stars

• the composition of Earth’s Moon

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NGSS.MS-ESS2-4

Both Earth and Mars are inside the Sun's habitable zone as shown in the diagram. While the Earth has life, life has not been found on Mars. Which of the following is NOT a reason that Mars is not able to support life?

• Mars lacks water.

• Mars has a thin atmosphere.

• Mars is not close enough to the Sun.

• Mars does not have a protective magnetic field.

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NGSS.MS-LS1-5