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This textbook chapter outlines the historical development of the Theory of Natural Selection, presenting classic evidence including Darwin's study of finch beak variation in the Galapagos Islands and Kettlewell’s investigation of the pepper moth... (View More)

Keywords: Adaptation; Evolution
Audience: High school
Materials Cost: Free

In this lesson, students learn that the sun heats up land, air, and water and study basic line plots of authentic NASA data. Students will practice drawing conclusions based on graphed data. The lesson provides detailed procedures, related links and... (View More)

Keywords: Australia
Audience: Elementary school
Materials Cost: Free per group of students

This activity is about the processes that have shaped the eastern coastline of the United States, specifically considering the impact of pollution. Learners will use model habitats to simulate the runoff of pollutants and consider how they might... (View More)

This activity is about symbiotic relationships. After reading deep-sea diving log entries, learners will discuss the observations of the relationship between two kinds of organisms, hermit crabs and sea anemones. Learners will perform research to... (View More)

This activity is about the role of plants as carbon sinks. Using atom signs made of construction paper, a blanket and other materials, learners will visualize the role of plants in storing carbon and discuss what may lead to its release. This the... (View More)

This activity is about the process of pollination. Using chalk and Q-tips, learners will simulate the pollination process to understand the relationship between pollinator and flowering plant. They will also then simulate a scenario depicting the... (View More)

This resource includes five lessons related to the habitat and life cycle of the diamondback terrapin and human influence on them. Learners will participate in a series of dramatic play modeling activities that simulate the coastline and marsh... (View More)

This activity is about how fossil fuels release carbon. Learners will use toys, sand and other materials to simulate a city, considering the formation of fossil fuels and how burning these releases carbon and produces warming. As part of the... (View More)

This activity is about the processes that have shaped the eastern coastline of the United States. By providing students with model habitats of the Chesapeake Bay watershed made with boxes and clay, learners will observe that all water that falls on... (View More)

This activity is about the processes that have shaped the eastern coastline of the United States. Using model habitats and a topographic map of the Chesapeake Bay, students will be able to describe how changes in water level distribute over... (View More)