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Waste Disposal
#WD-2
$649.95
Solutions & Pollution
#SP-2
$799.95
Fruitvale
#FV-2
$524.95
Environmental Health Risks
#EHR-2
$379.95
Environmental Impact
#EI-2
Energy from the Sun
#ES-2
$669.95
Hazardous Materials
#HM-2
Hydrogen Fuel Cells
#P310
$371.20
Intro to Water Pollution
#19
$264.95
Nitrate Water Test
#19-1-NI
$94.95
Phosphate Water Test
#19-1-PH
$89.95
Phosphates and Nitrates Pollutants
#20
$79.95
Objects in the Solar System
#352S
Water Cycle Contaminants
#434S
Reading River Sediments
#435
$209.95
Convection Currents
#436S
$104.95
Watersheds Kit
#437
$115.25
Plate Tectonics and Continental Drift
#445S
$49.95
Plate Tectonics Simulation
#438S
$42.95
Topographic Mapping
#439S
$104.10
Copper Mining and Extraction
#440S
$149.95
Chemical Reactions and Waste
#441S
$109.95
Stream Erosion Kit
#442
$188.70
Remote Sensing and Topography
#444S
$205.75
Weather Forecasting
#480S
$52.10
Mineral Crystals
#400
$74.95
Geometry of Crystals
#401
Mineral Structure
#402
$219.95
Classifying Rocks
#403S
Rock Cycle Activity
#404S
$139.95
Examining Fossils
#406S
$174.95
Interactive Rock Cycle Game
#430
$63.30
Sedimentary Strata
#443S
$81.95
Diamond Crystal Model
#501
$31.10
Graphite Crystal Model
#502
Evolution: Examining Fossil and DNA Evidence
#903S
Introduction to Soil
#1101
Soil Composition and Structure
#1102
$169.95
Variation/Normal Distribution
#74R
$99.95
Genetic Equilibrium Kit
#76
Heredity
#77
Natural Selection
#91
$69.10
Evolution Experiment
#92
Investigating Human Heredity
#1270
$68.95
Soil Experiment
#32
$134.95
Decomposition
#35
Hydroponics Kit
#36R
Tree Ring Dating
#52
Soil Organism
#33
$95.55
Owl Pellet Kit
#37
$106.30
Individual Owl Pellet Kit
#37-I
$29.80
Modeling Fossil Fuel
#38
Biofuels
#39S
$260.45
Chemistry of Corrosion
#86S
Ph Measurement
#80
$74.75
pH Indicator
#81R
Acids and Bases
#82
Hard and Soft Water
#191
$119.95
Periodic Table
#109S
Families of Elements
#110R
Langmuir's Technique
#121
Ind. Basic Student Models
#125
$39.95
Ind. Organic Student Models
#125-1
$22.95
Intro To Molecular Models
#129
$154.95
Molecular Model
#130
Hydrocarbons Models
#131
Design-Your-Own Model
#530A
$124.95
Density of Liquids
#114
Soil Nutrients and Fertilizers
#318S
$179.95
Recyclable Plastics
#704
$299.95
Waves, Sound and Light
#211
$129.95
Photovoltaic Cells
#220S
$177.00
Light Kit: Spectrum
#P104-S01
$199.95
Light Kit: Colors
#P104-S02
Classification
#50
$50.50
Ob-Scertainer
#100
$102.85
One in a Million
#101
Scientific Method
#100-A
Random Chance
#73