Characteristics of Objects in Our Solar System That Allow Life to Exist

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

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

Tags

NGSS.MS-ESS2-6

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

Habitable zones are the areas...

• where the planet orientations cause seasons

• around a star where water can be liquid

• where only planets the size of Earth can form

• where life is guaranteed to be found on planets

Tags

NGSS.MS-ESS2-4

Which of the following characteristics of a planet will have the greatest influence on determining whether or not its temperature will be suitable to support life?

• The amount of its gravitational force.

• The number and size of active volcanoes.

• The tilt of the axis of rotation of the planet.

• The distance from the Sun of its orbit.

Select ALL 3 of the characteristics of Earth that allow life to exist here.

• Distance from the sun

• Orbital period of 365 days

• Presence of water

• An atmosphere that contains Nitrogen and Oxygen and protects from radiation

Tags

NGSS.MS-ESS2-4

Why is it important for a planet to be in the habitable zone for life to exist there?

• The habitable zone is where the pressure is just right for life

• The habitable zone is where the amount of water is just right for life

• The habitable zone is where the temperature is just right for life

• The habitable zone is where the orbital period is just right for life

In order for life as we know it to exist, a planet must have ______________________

• heat
• animals
• liquid water
• solar energy

Tags

NGSS.MS-ESS2-4

Which of the following is NOT a reason that our atmosphere allows life to exist on Earth?

• The atmosphere provides essential gases for life

• The atmosphere provides protection from radiation

• The atmosphere insulates the planet to keep the temperature consistent

• The atmosphere creates gravity to keep living things on Earth