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 _____ 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