Atmosphere and Hydrosphere

The atmosphere is...

• The combination of rocks and minerals over the planet.

• The combination of gases organized by layers.

• The combination of all the lifeforms over the planet.

• The combination of all the forms of water in the planet.

The hydrosphere is...

• The combination of rocks and minerals over the planet.

• The combination of gases organized by layers.

• The combination of all the lifeforms over the planet.

• The combination of all the forms of water in the planet.

Which one is not a layer of the atmosphere?

• Troposphere

• Stratosphere

• Mantle

• Thermosphere

What is the percentage of water in our planet?

• 1/2

• 2/3

• 3/4

• 4/4

Where is mostly accumulated the gases from the atmosphere?

• Troposphere

• Stratosphere

• Mesosphere

• Exosphere

What is the percentage of salty water in the hydrosphere?

• 93%

• 5%

• 1,2%

• 0,8%

Mark the chemical compounds that form the atmosphere.

• Nitrogen

• Boron

• Gold

• Oxygen

Which ones are the energies required for the water cycle to exist?

• Fossil fuels

• Solar power

• Gravity

• Wind power

What is the most common state of water?

• water vapour
• liquid
• ice

What are lakes and rivers?

• surface water
• groundwater
• seawater