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Waste Disposal: Computers and the Environment

Environmental Impact: Comparing Industries

Waste Disposal: Computers and the Environment is a SEPUP module designed for use in grades 8–12. The module contains a series of 8 activities that provide approximately 3 weeks of instruction.

For replacement parts to SEPUP kits, check our Catalog

Materials in Waste Disposal equipment kit

  • 160 filter paper circles
  • 80 copper-coated circuit boards
  • 80 aluminum washers
  • 80 iron washers
  • 80 zinc washers
  • 16 droppers
  • 16 SEPUP funnels
  • 16 stir sticks
  • 16 plastic spoons
  • 10 9-oz. plastic cups
  • 10 Lab-Aids etching trays
  • 16 30-mL graduated cups
  • 9 leachate tubes
  • 8 empty 30-mL dropper bottles for used copper chloride
  • 8 30-mL dropper bottles each of:
  • water
  • 100,000 ppm copper chloride solution
  • 5% ammonia solution
  • 0.8 M sodium carbonate solution
  • 0.8 M sodium phosphate solution
  • 1 500-cc container each of:
  • gravel
  • soil
  • clay
  • sand
  • 1 15-mL dropper bottle of red food coloring
  • 5 240-mL bottles of etching solution
  • 1 packet of copper chloride paper
  • 8 permanent felt-tip markers
  • 16 pieces of steel wool
  • 1 pair of plastic forceps
  • 1 battery harness with bulb
  • 1 large resealable plastic bag (9" 3 12")
  • 6 pairs of disposable gloves
  • 1 video, "Hazardous Materials/Waste Disposal"

 

Materials required but not provided in equipment kit

  • 1 overhead projector
  • 1 videocassette recorder
  • 1 television monitor
  • 1 class set of safety goggles
  • 6 SEPUP trays
  • 1 9-volt battery
  • 3 small containers (to collect used metal for recycling)
  • 1 large glass or plastic container with lid (to collect waste copper chloride)
  • 1 bucket (to collect initial rinse water)
  • 1 small container (to store ash)
  • 1 piece of plastic (to use during the circuit demonstration in Activity 1)
  • 1 funnel
  • 1 pair of scissors
  • 1 insulating pad
  • 1 metal plate or pie pan
  • matches
  • paper towels
  • white, unlined paper
  • access to water
  • actual circuit board (optional)
  • 2-liter bottle (optional)
  • sieves of different sizes (optional)
  • rulers (optional)