Earth and Space

There is some evidence to suggest that Mars once had liquid _____ though now it may be trapped as _____.

• water, ice

• water, nitrogen

• oxygen, nitrogen

• nitrogen, ice

Tags

NGSS.MS-ESS2-4

Ozone contributes to supporting life on earth by blocking -

• ultraviolet light

• water vapor

• helium ions

• atmospheric heat

The Earth is the only planet that can support life.

• True

• False

Which of these is NOT a function of Earth’s atmosphere?

• insulating the planet to keep it warm

• protecting Earth from harmful radiation

• allowing water to evaporate into space

• storing oxygen for living things to breathe

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

• A

• B

• C

• D

Which characteristic of earth is most responsible for its ability to support life?

• carbon dioxide present in the atmosphere

• earth is terrestrial

• proximity to the sun

• presence of ice

Why is Earth capable of sustaining life while Mars is not?

• Mars is in the habitable zone, but it is a bit smaller than earth,

  making it impossible to support life.

• Mars is in the habitable zone, but made of gas instead of rock, making it impossible to support life.

• Mars is in the habitable zone, but is a bit further from the sun than earth, making it too cold to support life.

• Mars is in the habitable zone, but it is a bit further from the sun than earth, making it too hot to support life.

What characteristics of the planet, Earth, is essential to the survival of living organisms?

• Earth has abundant available water
  

• Earth has just one orbiting moon.

• Earth orbits the Sun once every 365 days
  

• Earth rotates on its axis once every 24 hours.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

NGSS.MS-LS2-1

What is the most important factor that determines Earth’s temperature?

• Distance to the Moon
  

• Gas composition of the atmosphere

• Proximity to the Sun
  

• Amount of water on the planet

What conditions would you look for if you were looking for life on moons or other planets besides Earth?

• Moderate temperature, ice, and the presence of a gas containing atmosphere.

• Cold temerature, liquid water, and the absence of gas containing atmosphere.

• Moderate temperature, liquid water, and presence of a gas containing atmosphere.

• Hot temperature, liquid water, and the absence of gas containing atmosphere.