BWD TOUR MODULE: GRADES 4-12
STREAM TABLE DEMONSTRATION
TOUR OBJECTIVES:
Students will be acquainted with and able to generally:
• Define/Describe:
Ÿ Watershed/Sub-Watershed Ÿ “Dynamic Equilibrium” Ÿ
Runoff, Erosion Ÿ Groundwater Ÿ Base Level Ÿ Streams Ÿ
Headwaters Ÿ Cutbank Ÿ Pointbar Ÿ Riffle Ÿ Pool Ÿ Meander
• Compare/Contrast:
o
Free Flowing vs. Impounded Stream
o
Lake vs. Reservoir
o
Erosion vs. Deposition
o
Aggradation vs. Degradation
• Explain:
o 3 Major Factors Affecting WS/Stream
Development: 1) Geology; 2) Climate-Water Cycle;
3) Slope
o
Drainage Patterns
o
Stream Classification
o
Stream Dynamics
o
Beaver Lake Source Waters
o
How dams affect streams
o Land Use/Land Change: The affect of human
population growth and activities on
watershed/stream dynamics
o Ways to mitigate, minimize, reduce streambank
erosion
GROUP SIZE: Maximum of 30 students with
1 adult per 10 students.
CLASSROOM PRE-REQUISITES:
INTRODUCE/REVIEW concepts in the BEAVER LAKE
WATERSHED PASSPORT, available on the BWD
EDUCATION
&
OUTREACH
webpage
at
www.bwdh2o.org):
Ÿ Water Cycle Ÿ Watersheds Ÿ How Humans Use Land Ÿ Water
Sources, Use, & Pollution.
DISCUSS/COMPARE & CONTRAST Ÿ Characteristics of
streams in different climatological, geological, and/or
topographic settings Ÿ Densely vegetated vs. cleared
Land/Water boundary (Riparian Zones) Ÿ Stream response to
low flow and flood stage conditions Ÿ Flood vs. Flash Flood Ÿ
Factors that increase the potential for flash flooding; ŸWays
to reduce flooding.
ITINERARY: 60-90 minutes total
LOCATION:
Meeting Room: 30-45 minutes
Stream Table: 30-45 minutes
BWD TOUR MODULE: GRADES 4-12
STREAM TABLE DEMONSTRATION
MATERIALS:
Computer/DVD
Player/Projector
DVDs/Video Options
Beaver Lake: NW Arkansas’
Ace-In-The-Hole
Bridge to War Eagle
Where Does My Water
Come From?
Dry Erase Board/Markers
BLWS Topo Maps
BLWS Wall Map
BLWS Model/Kit
Stream Table
LOGISTICS:
•
•
•
•
•
Group assembles in Meeting Room
Instructor introduces self
Overview of Topic and Session(s) Logistics
PowerPoint - Streams; Nature’s Bulldozers
- Major factors controlling stream /
watershed characteristics & dynamics
Show video(s) (if relevant)
•
•
Brief Discussion/Q&A to reinforce
Learning Objective concepts (as needed)
Transfer to Stream Table for Stream
Dynamics Demo & Discussion/Q&A re:
Water Cycle/Watershed/Human Dynamics