Soil

Soil is __________________________.

• the loose material that covers much of the Earth's surface
• the movement of weathered rock material from one place to another
• the slow breaking down of rocks by water, wind, or ice
• the size of a single particle

_______________ is the movement of weathered rock material from one place to another.

• Weathering
• Erosion
• Sand
• Loam

_________________ is the slow breaking apart or wearing away of rock.

• Weathering
• Erosion
• Sand
• Soil

Which type of soil is best for plants?

• Clay
• Sand
• Loam
• Silt

____________ becomes sticky when it is wet.

• Clay
• Sand
• Loam
• Humus

Loam is ____________________. 

• a mixture of a lot of sand, some clay, a little humus, and silt.
• a mixture of some sand, a lot of clay, a little humus, and silt.
• a mixture of sand, clay, silt, and a lot of humus.
• a mixture of a little sand, a little clay, a little humus, and a lot of silt.

Which type of soil has the largest grain size?

• Clay
• Sand
• Loam
• Humus

Which type of soil has the smallest grain size?

• Clay
• Sand
• Loam
• Humus

Hannah wants to plant a garden. Which type of soil should she use and why?

• She should use loam because it does not have a lot of humus.
• She should use loam because it has a lot of nutrients from humus.
• She should use clay because it does not let water pass through easily.
• She should use sand because it lets water pass through easily. 

Water capacity describes _________________.

• what the soil feels like
• how well the soil holds water
• what the soil looks like
• what size the soil grains are