Earth's Atmosphere Supports Life

This thin layer is found at the bottom of the stratosphere and contains gas that absorbs solar radiation, released it as heat, and protects Earth from harmful UV rays.

• ozone

• ionosphere

• exosphere

• radiosphere

Oxygen makes up​​ (a)   % of gases in the atmosphere.

• 21

• 31

• 1

• 10

• 78

• 0.8

Which gas is removed from the atmosphere by green plants?

• Oxygen (O₂)

• Carbon dioxide (CO₂)

• Argon (Ar)

• Methane (CH₄)

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

​ ​ (a)   gas is released into the atmosphere by plants as they photosynthesize?

• Oxygen (O2)

• Argon (Ar)

• Methane (CH4)

• Carbon dioxide (CO2)

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Each of Earth's atmosphere layers has unique characteristics. Select 3 that match the troposphere best.

• Meteors burn up

• The layer closest to Earth's surface

• The water cycle takes place here

• All weather is contained here

• This layer has temperatures up to 1,800 degrees Celsius.

Tags

NGSS.MS-ESS2-4

How does the presence of atmosphere sustains life on earth?

• It is the main constituent of the hydrosphere

• It made it possible for water to exist in its liquid form

• It protects the earth from the solar wind

• It traps the sunlight inside, and keeps the earth warm

Tags

NGSS.MS-ESS2-5

What is the layer of gases that surrounds Earth?

• atmosphere

• precipitation

• rain shadow

• lithosphere

Our planet is the only one, in the solar system, which can sustain life. This is posible thanks to three caracteristics.

• The temperature of the Earth, liquid water and the atmosphere.

• The temperature of the Earth, frozen water and the atmosphere.

• The temperature of the Earth, liquid water and the lithosphere.

• The trumpet of the Earth, liquid water and the atmosphere.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Which of the following is a reason that life exists on Earth?

• distance from the Sun

• presence of an atmosphere and magnetic field

• liquid water

• all of these are reasons life exists on Earth

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS1-6

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

• heat

• animals

• liquid water

• solar energy

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4