U2 L5: Cycles Matter in Ecosystems Qs

Water is constantly evaporating from the leaves of plants is ____________.

• transpiration
• condensation
• respiration
• photosynthesis

Air is made up of _____ nitrogen.

• 65%
• 82%
• 78%
• 90%

What is the energy source for the water cycle?

• Wind
• Coal
• Geothermal
• The sun

The continuous movement of water between Earth's surface and the air is the _____________________.

• earth's rotation
• water movement
• air cycle
• water cycle

The change from gas to liquid is called?

• sublimation
• solidification
• evaporation
• condensation

What cycle is the circulation of oxygen and carbon dioxide gas?

• Oxygen-Carbon cycle

• Rock cycle
• Water cycle
• Nitrogen cycle