River Cutters

Kathryn Mueller and Halie Marek

Resources

(For Teacher):

Teachers Guide

Copies of handouts for students

Overhead copies of handouts and material for lesson prior to activities

(For Making River Systems)

disposable dust mask

measuring cup

2 pitchers

Diatomaceous Earth (13 c per system)

Water

Sturdy Wooden Spoon to mix Earth and Water

Blue Food Coloring

Red Food Coloring

Each system will require:

Sturdy Plastic Tubs, a bus tub for dishes works well

Sponges

Aluminum pie pans

8” long 2”x4” wood

Dripper System:

         Plastic water bottle

         Silicone caulk

         Flexible aquarium hose

         Adjustable control valve

         Philips Screwdriver

         Cigarette Lighter

(For Students)

(for each group of 4 students):

Handouts for each lesson within guide

Materials for portfolios (paper, folder, colored markers)

Stop Watch

River system, including:

         Set-up tub for river

         Rainwater system

         Blue Water

         Cotton Balls

         Toothpicks for time markers