Forensic Soil Evidence Quiz

What does the chemistry of soil refer to?

• The chemical elements and compounds present in the soil

• The temperature of the soil

• The sound the soil makes

• The color of the soil

Tags

NGSS.MS-LS2-3

Approximately how many minerals exist on Earth?

• 100

• 400

• 2200

• 10,000

Tags

NGSS.MS-ESS3-1

How many distinguishable soil colors exist?

• 1100

• 500

• 100

• 50

What is the Munsell color chart primarily used for in soil science?

• Typing soil colors

• Measuring soil pH

• Testing soil moisture

• Identifying soil texture

If the probability of indistinguishable soil properties is 1/50, what does this imply about soil samples from different regions?

• They are usually distinguishable

• They are always identical

• They are never compared

• They are always wet

What does pH stand for?

• Potential of Hydrogen

• Power of Heat

• Percentage of Humidity

• Pressure of Helium

At what pH value is a solution considered neutral?

• 7

• 0

• 14

• 10

Which of the following is a basic substance according to the pH scale?

• Lye

• Lemon juice

• Cola

• Orange juice

Which of the following substances is closest to neutral on the pH scale?

• Distilled water

• Lemon juice

• Cola

• Ammonia

Which of the following best describes the texture of sandy soil?

• Sticky and smooth

• Gritty and coarse

• Silky and fine

• Hard and compact