Soil, Water, Conservation Review

An area of land that is drained by a river is called a ________.

• Divide
• State
• Watershed
• Fan

Water that is stored in layers of rock and soil beneath the Earth's surface is called ________

• groundwater
• sewage
• a reservoir
• an underground stream

What is soil composed of?

• rocks, clay and air
• rock, humus, air, water
• chemicals and fertilizers
• dirt and bacteria

Which type of soil is the most permeable?

• Loam
• Sand
• Silt
• Clay

Which of the following is a renewable resource?

• Oil
• Gems
• Plants
• Metals

What is a resource that is used faster than they are replenished?

• Renewable
• Nonrenewable

What percentage of freshwater is unusable and frozen in icecaps?

• 70%
• 97%
• 2%
• 1%

What percentage of water is usable freshwater?

• 97%
• 3%
• 2%
• 1%

What is the perfect soil for growing plants?

• Loam
• Silt
• Sand
• Clay

What is the best pH for growing plants?

• 0-14
• 3-8
• 5-7
• 7-12