“What lives here?” is a question that students tend to wonder about, …
“What lives here?” is a question that students tend to wonder about, and this activity taps into that natural curiosity. Students figure out what lives in an ecosystem by looking for evidence and by using a simple field guide. They deepen their understanding of evidence, both the evidence organisms leave behind and evidence in general. Often, students might see a hair, track, or other piece of evidence and jump to conclusions about what left it behind. They may also treat all evidence as equal, whether it’s actually flimsy or strong. This activity helps them slow down, make observations, and evaluate their evidence as strong, less strong, or weak. Later in the activity, students make ecosystem models from their notes and, through discussion, use them as evidence to try to better understand the ecosystem.
Students use DNA profiling to determine who robbed a bank. After they …
Students use DNA profiling to determine who robbed a bank. After they learn how the FBI's Combined DNA Index System (CODIS) is used to match crime scene DNA with tissue sample DNA, students use CODIS principles and sample DNA fragments to determine which of three suspects matches evidence obtain at a crime location. They communicate their results as if they were biomedical engineers reporting to a police crime scene investigation.
In this lesson, students will hone their investigative skills and form an …
In this lesson, students will hone their investigative skills and form an opinion based on the credible evidence that they uncover. After learning about the decision to deem Pluto a "dwarf planet," students will have time for individual investigation. After using their background knowledge to choose credible sources, they will analyze the information they gather to form their own opinion, which they will support in a video response to a prompt on Flipgrid.
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