4th Quarter Final Exam

Plants give off water from their stomata in a process called

(a)  

Ammonia is a usable form of an atmospheric gas that bacteria in the soil fix as part of the

(a)  

_______ such as rain, snow, and sleet is part of the _____

(a)  

As part of the ____, plants use carbon dioxide and give off oxygen into the atmosphere. Photosynthesis and _____ are important processes in this cycle.

(a)  

Cold temperatures high in the atmosphere cause the (a)   of water vapor.

After the (a)   of liquid water on Earth's surface, water vapor rises into the atmosphere.

Fill in the concept map using terms from the following:

condense

precipitation

clouds

evaporate

water vapor

The environment stores many materials. The atmosphere stores a lot of---

• nitrogen gas

• oxygen

• water vapor

• carbon dioxide

When nitrogen is fixed, it is---

• dissolved in water

• removed from lightning

• changed into a usable form

• made into a protein

Most of the oxygen in the air comes from photosynthesis in ---

• rain forests

• the oceans

• the soil

• lakes and rivers