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Atmosphere, Oceans & their Interactions

Authored by Josy Mclean

Other

7th - 9th Grade

Used 47+ times

Atmosphere, Oceans & their Interactions
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11 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The atmospheric layer closest to the Earth's surface 16 km high over equator and 8 km over poles; contains 90% of atmosphere's mass and essentially all its water vapor and clouds; weather occurs here

troposphere
stratosphere
mesosphere
ionosphere

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The second atmosphere layer extending up to 50 km; contains UV-protecting ozone layer at the boundary; gets warmer the higher up you go to about -0 oC (from -50 oC at top of troposphere)

troposhere
mesosphere
stratosphere
ionosphere

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Third atmospheric layer extending from top of stratosphere to 80 km; temp decreases from about 0o C to -90 oC at the top because the gases absorb very little radiation from the sun

troposphere
stratospehre
mesosphere
ionosphere

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Fourth atmosphere layer extending from top of mesosphere up to 500 km; little air there so temperture differences are insignificant

troposphere
stratosphere
thermosphere
ionosphere

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

An electrified region within the thermosphere and uppermost mesosphere where fairly large concentrations of ions and free electrons exist; radio waves bounce off thicker layer of ions formed during the day so that you can pick up farther away radio stations at night time than day time; interacts with Earth's magnetic field and solar weather to create auroras

troposphere
mesosphere
thermosphere
ionosphere

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Warming caused by short-wavelength radiant energy from the sun easily enters the atmosphere and is absorbed by Earth.  This energy is then re-radiated at longer wavelengths that cannot easily escape the Earth's atmosphere.  This causes the Earth's atmosphere and surface to warm;without this effect the Earth would be a giant snowball; anthropogenic CO2 emissions are increasing the effect and stimulating positive feedback (decreased Earth Albedo and increased insolation)

Ozone hole
Green House Effect
Climate Change
Sun cycles

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The mass of salts dissolved in 1000 g of seawater

temperature
density
salinity
salticity

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