BLACK BEARD Blackbeard Facts. Blackbeard’s Buried Treasure A Soil Science Mystery for Middle...
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Blackbeard’s Buried Treasure
A Soil Science Mystery for Middle School Students
Objectives• Learn about soil properties and interpret
evidence to find buried treasure.
• 6.E.2.3 Explain how the formation of soil is related to the parent rock type and the environment in which it develops.
• 6.E.2.4 Conclude that the good health of humans requires: monitoring the lithosphere, maintaining soil quality and stewardship.
– Horizon profile
– Soil temperature
– Particle size
– Soil moisture
Focus Question• What are the different
properties of soil?
• How is this information useful in solving the mystery
of Blackbeard’s treasure?
The Mysterious History of Blackbeard
Let’s read together to learn more!
• Why would the boot lead to buried treasure?
• What information do you need to know to solve the mystery?
• What steps do you plan to take?
The NC Times All the dirt that’s fit to print
Ocracoke Groundskeeper Finds Blackbeard’s Boot by Clay Johnson
• Introduction to each soil property– Soil Color, Structure, Texture,
Consistence, Horizon layers
• Each group gets a sample• Each group gets a “boot”
‘X’ marks the spot
• The color tells us the relationship of the soil to water, the mineral and organic matter content.
• Instead of the Munsell Color Chart, we will use a simple crayon color chart to find the color of our soil.
Crayon Color Crayon Color ChartChart
• The structure is determined by the soil particles grouping into clumps called “peds”.
• These impact water infiltration and runoff from the soil surface.
• There are six primary shapes.
Determining Soil Structure
• Granular: looks like cookie crumbs• Blocky: looks like peas or walnuts• Platy: looks like flat pieces that stack• Columnar: looks like rounded columns• Single-Grained: look like sandy & small• Massive: looks like hard to break apart
Determining Soil Structure• Granular
• Soil is made up of mineral particles in three sizes: sand, silt, and clay.
• Let’s get out of our seats to better understand these three textures! Listen for directions
• Stickiness: how much the soil adheres, or stick to objects.
• Plasticity: how much the soil can be worked into a worm shape without breaking.
• Rupture resistance: how much pressure a ped can take before falling apart.
Follow-Up Questions• Which group thinks they know where
Blackbeard’s treasure is hidden? • In what ways does their data support this
conclusion? • Do other groups think they have the location?
Why or why not?• What soil property enabled students to figure
out the mystery? • What characteristics did the soils have in
common? What properties were different? • Why do soils have different properties? • What new questions do students have about
• Protecting the soil– 2,000,000,000,000 Project