Atmosphere

Where is the ozone layer located?

• mesosphere

• stratosphere

• lithosphere

• troposphere

What is the earth's densest atmospheric layer?

• troposphere

• exosphere

• stratosphere

• lithosphere

In the troposphere, which of these decreases with altitude?

• temperature

• pressure

• radiation

• temperature and pressure

What causes the atmosphere to be densest at the earth's surface?

• gravity

• evaporation

• radiation

• condensation

Without the greenhouse effect, Earth's atmosphere would be ________ to support life.

• too hot

• too cold

• too oxygen poor

What is the most abundant gas found in the earth's atmosphere?

• oxygen

• carbon dioxide

• nitrogen

• helium

What traps radiated heat near Earth's surface?

• convection

• conduction

• greenhouse gasses

• evaporation

Tags

NGSS.MS-ESS3-5

In the thermosphere, gas temperatures is high, particle density of gas molecules is _______________, so little heat can be transferred.

• high

• low

• varying

• none of these answers are correct

Tags

NGSS.HS-PS3-4

Electrically charged atoms are called __________.

• protons

• electrons

• neutrons

• ions

Tags

NGSS.MS-PS2-3

___________ allows a planet to hold and maintain an atmosphere.

• Gravity

• Convection

• Radiation

• Conduction

Tags

NGSS.MS-PS2-5