Characteristics to Support Life on Earth

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-ESS2-4

The entire mass of air that surrounds Earth, made up of 78% nitrogen, 21% oxygen, and trace amounts of other gases.

• Ozone Layer

• Solar Winds

• Atmosphere

• Magnetosphere

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which of the following is NOT a requirement for life to exist on a planet?

• presence of water

• just the right amount of gases in the atmosphere

• just the right period of rotation

• just the right distance from the Sun

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

• A

• B

• C

• D

Tags

NGSS.MS-ESS2-4

What are the three of the main characteristics of Earth that allow life to exist here?

• Abundant liquid water

• Unstable temperatures

• Protective atmosphere

• Oxygen

• Magnetic field

Tags

112.19.b.9.A

Scientists believe there are several basic requirements needed for life to exist on a planet. These include the presence of liquid water and a source of energy. What characteristic of Earth allows water to exist as a liquid?

• the rotation of the planet on its axis

• the orbit of the planet around the Sun

• the distance between the planet and the Sun

Tags

NGSS.MS-ESS2-4

Scientist are constantly exploring the universe, looking for new planets that support life similar to the life on Earth. A new planet that supports life would be expected tot have all of the following characteristics EXCEPT

• a gaseous atmosphere

• an orbiting moon

• liquid water

• protection from radiation

The right combination of temperature, water, and oxygen

• affects Neptune’s orbit.

• supports life on Earth.

• causes gas giants to form.

• results in storms on Jupiter.

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS2-3

Which of the following conditions are absolutely necessary for a planet to support life?

• All must be present for a planet to support life

• I, II, and IV

• II and III

• II, IV, and V

Scientists believe there are several basic requirements needed for life to exist on a planet. These include the presence of liquid water and a source of energy. What characteristic of Earth allows water to exist as a liquid?

• the tilt of the planet on its axis

• the rotation of the planet on its axis

• the orbit of the planet around the Sun

• the distance between the planet and the Sun