Soil and Air Quality Review

What pH range is best for most plant life?

• 6.5-7.5

• 6.5-8.5

• 5.5-6.5

• 8.5-9.5

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

This nutrient is important for plant genetics.

• nitrogen

• phosphorus

• potassium

• magnesium

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

This nutrient improves the color of fruits and flowers.

• nitrogen

• phosphorus

• potassium

• magnesium

This nutrient is responsible for producing green, healthy leaves.

• nitrogen

• phosphorus

• potassium

• magnesium

Tags

NGSS.MS-LS2-1

This is decaying matter that originated from a living source.

• potash

• inorganic matter

• organic matter

• sand, silt, and clay

Tags

NGSS.MS-LS2-3

The fertilizer grade on a bag is 10-15-20. What percentage of the bag is potassium?

• 10%

• 15%

• 20%

• 30%

Tags

NGSS.MS-PS1-1

These are air pockets that may fill with water.

• pore space

• aggregate

• saturation spots

• inorganic matter

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Rank the 3 types of soil particles from smallest to largest.

• sand, silt, clay

• silt, sand, clay

• clay, sand, silt

• clay, silt, sand

This type of soil is the best based on texture. It has equal parts sand and silt and a smaller amount of clay

• heavy clay

• sand

• loam

• sandy loam

These are groups of sand, silt, and clay that combine as soil forms.

• pore space

• aggregate

• inorganic matter

• soil texture