Review Three

Review Three

Unit 4 Soils

Multiple Choice

Where does all soil originate from?

• Rocks

• Sand

• Organic Matter

• Parent Material

Multiple Choice

What percentage of soil is considered "Air"

• 0%

• 5%

• 25%

• 45%

Multiple Choice

What percentage of soil is considered "Organic Matter"

• 0%

• 5%

• 25%

• 45%

Soil Breakdown

• Mineral Matter: 45% (decomposed rock)

• Organic Matter: 5% (smallest but MOST important)

• Air: 25% (always changing whether soil is wet or dry)

• Water: 25% (constantly changing)

Multiple Choice

What is the process that breaks rocks down to sediments

• Weathering and erosion

• Compaction and cementation

• Heat and pressure

Multiple Choice

What type of rock is formed by the cooling of magma or lava?

• Sedimentary

• Metamorphic

• Igneous

Rocks

• Three Main Types: Sedimentary, Metamorphic, Igneous

• Formed through unique process of the never ending Rock Cycle!

Multiple Select

Click all of the following Primary macronutrients

• Nitrogen

• Potassium

• Zinc

• Phosphorus

• Calcium

Multiple Choice

What would a deficiency in Nitrogen look like?

• Purple leaves

• Yellow leaves

• Orange leaves

Essential Elements

• There are 16 essential elements: Macronutrients and micronutrients

• Macronutrients: needed in LARGE quantities

• Micronutrients: needed in SMALL quantities

Multiple Choice

On the following fertilizer label, which number would represent Phosphorus: 22-8-9

• 22

• 8

• 9

Multiple Choice

On the following fertilizer label, which number would represent Potassium: 33-7-20

• 33

• 7

• 20

Multiple Choice

If the following numbers were on a fertilizer label, what would it be considered? 22-8-9

• Complete

• Incomplete

Fertilizers

• Fertilizer Bags are labeled with a three number sequence representing N-P-K (Nitrogen- Phosphorus - Potassium)

• Complete Fertilizers= has a percentage for each N-P-K ex) 7-9-10

• Incomplete Fertilizers= has a zero in one of the N-P-K categories ex) 0-4-7

Poll

End of Unit three Soil Science. On a scale of 1-5 how do we feel?

• 1: I AM SO LOST

• 2: I understand a little

• 3: Feeling neutral

• 4: Pretty good

• 5: I AM A ROCKSTAR

Multiple Choice

What percentage of soil is considered "Air"

• 0%

• 5%

• 25%

• 45%