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This activity explores images of tree growth in the Serengeti over time, which serve as a phenomenon for learning about and modeling species interactions in ecosystems.

This case study follows a 2020 COVID-19 outbreak on a cruise ship to highlight how control measures like lockdown impact disease spread.

This highly customizable activity guides students through organizing and documenting spreadsheet data during a class investigation.

This case study follows the 2019 measles epidemic in Samoa to highlight how vaccination impacts disease spread.

This interactive tool introduces students to building scientific models. Educators can use the tool to create assignments and, in some cases, automatically grade student models. 

This interactive module can be used to model infectious disease spread in a population. It includes background on the SIR model and two simulators for modeling disease spread on different scales. 

This activity guides students through learning and using key scientific terms, culminating in the creation of a customizable diagram.
 

This activity provides three sets of cards that can be used to reflect on the nature and dimensions of science.
 

In this Click & Learn, students explore mathematical models that describe how populations change over time and apply these models to the invasive lionfish population in the Bahamas. They also use data from other species to learn how density-dependent factors limit population size.

In this activity, students find a scientist with whom they can relate in some way and then explore and reflect upon the impact of that scientist’s work.

This activity allows students to formulate and analyze scientific questions.