Ground water and surface water.

Groundwater comes from:

• Rain

• Snow

• Sleet

• All of the above

Three things that affect soil structure are:

• sand

• gravity

• amount of water

Silt is larger than sand

• False

• True

Porosity depends on the number and size of pores

• True

• False

What is permeability?

A good example of something permeable is:

• sandstone

• iron

• copper

• aluminum

Aquifers are both porous and permeable

• True

• False

We use groundwater for:

• Crop Irrigation

• Filling our oceans

We can survive without water

• False

• True

The water cycle is also known as the: