Water on Earth Pre Quiz

What is the correct order in water treatment process?

Which condition could cause low dissolved oxygen levels?

Read each water description and decide if it is describing healthy water or unhealthy water.  Place the description in the corresponding category.

Which problem is associated with high levels of run-off from agricultural fields?

Think about how water changes as you move from the surface to the deep ocean.   Read each phrase and decide if that increases or decreases as you move down from the surface.  Place each phrase in the correct category.

What phenomenon attracts large schools of fish over the continental shelf? 

Read each description of pollution and decide whether it would be categorized as point source pollution or nonpoint source pollution.

Earth is often called the water planet.  What might be a better name for Earth?

How do rural homes deal with wastewater?

Select the correct term for each definition.

Choose all the characteristics that match the intertidal zone.  

Choose all the characteristics that match the neritic zone.  

Choose the characteristics that match the deep ocean zone.

Match the definition to the correct word.