Page 181 - Demo

“Your Safer Source for Science”
Water Models
179
Environmental Science— Water Models, continued
Water Treatment Activity Model
Build a model water treatment plant—right in your laboratory—with this hands-on activity! Graphically demonstrate the physical, chemical and biological processes involved in water treatment as your class gets a firsthand view of water treatment and sewage remediation. Students build their own model of a sewage treatment plant—complete with filtration, aeration and bioremediation capabilities. Durable plastic model is accompanied by all materials needed to test and treat water, including filter paper, simulated pollutants, bioremediation agents, air pump and test materials. Comprehensive instructor’s guide and student copy masters are included. Model size: 131⁄4" L x 41⁄2" W x 171⁄4" H.
Environmental Science—Water Sampling
All-Weather Field Notebook
Are your students’ field notes wet, soggy, and illegible from rain, humidity, mud puddles, or fish slime? Your problem is solved—with this handy, lightweight field notebook, specially designed for recording critical field data in extreme wet weather conditions. Bound notebook contains unique Rite in the Rain® all-weather writing paper, which has an exclusive waterproof coating. Paper can withstand long periods of immersion without losing its strength or writeability. Has an all- weather durable yellow cover, 48 numbered pages, and can be used with any standard pencil or ball-point pen.
Aquatic Dip Net
A strong, yet lightweight anodized aluminum handle and a plated, spring steel net ring make this aquatic dip net durable and corrosion proof. Net ring is 12 inches in diameter and is firmly fastened to the 36-inch handle. Net bag is made of sturdy, unbleached muslin with a skirt extending below the green polyester mesh bottom to prevent snagging.
Aquatic Collecting Starter Kit
Ready to head to your local river, pond or stream
for environmental studies? Our basic collecting
set provides all necessary equipment to get started. Materials can be conveniently carried to the collection site in the large, durable collection bucket included with the materials. Each set includes a 10" stainless steel collecting forceps, a 10" collecting syringe, two dip nets of different sizes, a pair of stainless steel utility scissors, six specimen jars, a folding field magnifier and 100 reclosable specimen bags. Every student collecting team will want these useful items—order one set per team.
BOD Bottle
Collect and incubate water samples for accurate dissolved oxygen and Biochemical Oxygen Demand (BOD) readings. This affordable, thick glass bottle has a ground stopper to prevent oxygen from entering or leaving the collected water sample. 300 mL capacity; 23⁄4" W x 61⁄4" H.
Water Treatment Activity Model AP5312
Catalog No.
Description
Price/Each
AP5312
Water Treatment Activity Model
$249.80
All-Weather Field Notebook AP5150
Catalog No.
Description
Price/Each
AP5150
All-Weather Field Notebook
$6.45
Aquatic Dip Net FB0020
Catalog No.
Description
Price/Each
FB0020
Aquatic Dip Net
$58.90
Aquatic Collecting Starter Kit FB1580
Catalog No.
Description
Price/Each
FB1580
Aquatic Collecting Starter Kit
$65.60
ENVIRONMENTAL SCIENCE—WATER SAMPLING continued on next page.
BOD Bottle AP6209
Catalog No.
Description
Price/Each
AP6209
BOD Bottle, 300 mL
$15.20