General concepts of atmosphere and hydrosphere
Structure of atmosphere
Atmospheric phenomena
Salt/Fresh water
Pollution
100
The homogeneous mixture of gases is called...

Air

100

The lowest layer of the atmosphere is...

Troposphere

100

Name 3 atmospheric phenomena.

Wind, clouds, fog, dew, frost and precipitation

100

Where can we find salt water?

Seas and oceans.

100

What is pollution?

It is an alteration in the composition.

200

What is green-house effect?

It is a natural phenomenon. The atmosphere retains some of the heat produced by the Sun.

200

The highest layer of atmosphere is...

Exosphere

200

_______________ is water vapour that condenses on a surface such as a leaf.

Dew

200

What is groundwater?

It is water under the Earth's surface.

200

Oil spills and accumulation affects mainly________ water.

Eutrophication affects mainly __________ water.

Salt. Fresh

300

Name 2 properties of water.

Allow aquatic living things in cold climates, transport substances, essential for chemical reactions, allow plant nutrition, allow the regulation of temperature and form hydrostatic skeleton.

300

The layer tha absorbs the UV rays is __________. And it is contained in the _______________.

Ozone layer. Stratosphere

300

Name three types of precipitation

Rain, snow and hail.

300

Name the 4 types of surface waters.

Lakes and lagoons, wetland, rivers and seasonal rivers.

300

Name the 3 main sources of water pollution.

Agriculture and livestock, domestic pollution and industrial pollution

400

Name 5 gases of the atmosphere.

Nitrogen, oxygen, carbon dioxide, ozone, helium and argon.

400

In the mesosphere the temperature drops to...

-100ºC

400

What is frost?

It is called when the dew freezes.

400

What are icebergs?

They are broken pieces of glaciers that float in the water.

400

The classification of pullutans is...

Natural

Artificial - Pysical (radioactivity, light and noise) -Chemical (solid particles and gases)


500

What is it capillarity?

The adhesive force of water that allows it to ascend through very narrow tubes.

500

The upper part of the thermosphere is called___________ and the temperature reach up to _____________.

Ionosphere (1000ºC)

500

What is fog?

It is a cloud that is close to the Earth's surface.

500

What are marshes?

They are wetlands located near the coast.

500

Name 2 things we can do in order to avoid acid rain

- Creating air quality laws

- Purifying fumes and gases

-Developing cleaner technologies.

Encouragin people to use electric vehicles