Forensic Science - Soil Review

Which of these is not a type of soil texture

• sand

• silt

• clay

• dirt

Do most soil samples contain a mixture of all 3 soil types?

• YES

• NO

What is the name of the organic material found within soil?

• Humus

• Dirt

• Sediment

• Feldspar

Which is the most common mineral found in sand?

• mica

• feldspar

• quartz

• granite

Which of the 4 types of sand is the most common?

• Volcanic

• Continental

• Skeletal

• Precipitate

How does a body affect the soil when buried directly in soil?

• changes the temperature

• changes the air

• changes the soil integrity

• changes the soil chemistry

Tags

NGSS.MS-LS2-3

What initially happens when a body is buried in soil?

(cadaver decomposition island (CDI)

• kills the vegetation

• vegetation improves

• improves soil pH

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-1

As decomposition continues what then happens to the soil?

• improves in quality, with the same plants

• continues to decrease in quality, not allowing plants to grow back

• continues to decrease as the pH will continue to drop

• improves in quality so that different plants will grow

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS1-5

David and Ava are working on a science project about soil analysis. They learned that when collecting soil evidence, it is important to collect at least (a)   tablespoons of soil. How many tablespoons should they collect based on their learning?

What are the best possible conditions to finding fresh gravesites? Why are these conditions ideal? Hint: think about the weather conditions and elevation