- NV Science Team
- Professional Learning
- HS Biology
- HS Earth & Space
- Chemistry
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- Living Environment & Earth Science ARCHIVE
- LE Resources: LE Getting Started
- LE Unit 1: LE: Characteristics of Living Things
- LE Unit 2: LE: Nutrients, Energy, and Biochemical Processes
- LE Unit 3: LE: Homeostasis in Human Body Systems
- LE Unit 4: LE: Disease and Disruption of Homeostasis
- LE Unit 5: LE: Comparative Reproduction
- LE Unit 6: LE: Genetics, Biotech, and Decision-Making
- LE Unit 7: LE: Ecosystems and Invasive Species
- LE Unit 8: LE: Climate Change and Human Impact: Extinction vs. Evolution
- LE Regents Prep Resources: Living Environment Regents Prep Resources
- LE Data Tools: Living Environment Historical Regents Data
- ES Resources: ES: Getting Started
- ES Unit 1: ES: Origin of the Universe and Our Solar System
- ES Unit 2: ES: Earth's Interior and Plate Tectonics
- ES Unit 3: ES: Landscapes and Surface Processes
- ES Unit 4: ES: Geologic History and Evolution of Life
- ES Unit 5: ES: The Earth-Sun-Moon System
- ES Unit 6: ES: Weather
- ES Unit 7: ES: Geography, Climate, and Human Cities
- ES Unit 8: ES: Review of Major Topics
- ES Regents Prep Resources: Earth Science Review Modules
- ES Data Tools: Earth Science Historical Regents Data Tools
- Bulk Downloader Demo Video
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- Earth Science (NY State Core Curriculum, 2005) - Standard 4
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Macronutrient Transport 5E Instructional Model Plan
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Macronutrient Transport 5E Instructional Model Plan
Molecules are constantly in motion. They move in straight lines until they are deflected by each other or their environment. Diffusion is the process by which the collisions between molecules gradually force them apart from one another, along their concentration gradient. In this instructional sequence, students will build a model cell using an artificial membrane and determine through experimentation and observation which molecules can pass through the membrane and which cannot.
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