Howard Hughes Medical Institute
Tissue Regeneration in Animals
Every species regenerates at least one tissue or organ in their bodies. Learn about different regeneration processes in animals. An intriguing presentation specifically discusses starfish, hydras, planaria, salamanders, mice, humans,...
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Heads or Tails? Studying Regeneration in Planaria
Students view a video on stem cells and regeneration. For this investigative lesson students complete a worksheet while viewing the video.
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A New You!
Science learners journal familiar ways that the human body can regenerate or heal itself. In small groups, they research and create a poster of current information on stems cells and how they can be used to regenerate. The article for...
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Fire Fighting
Young scholars consider the effects of a wildfire on prairie life. They explore the ways that plants regenerate after a fire and create fictional plants that have adapted specifically to the prairie environment. They share models of...
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Forests Need People
In this forests and people lesson, 3rd graders brainstorm what forests are used for, discuss forest habitats, and how human interventions have affected trees and animals that depend on the forest environment. Students read the books,...
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Technological Twins
Students list comparisons between technology and nature. Then they create superheroes with special animal characteristics and describe how ordinary persons might replicate the changes with technology.
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Starfish Challenge
In this starfish activity worksheet, learners respond to 10 multiple choice questions that require them to exhibit the knowledge they have regarding starfish.
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Where the Buffalo Roam
Second graders explore what life in the Chicago area was like hundreds of years ago. They discuss how settlers impacted the environment, and why there are no longer herds of buffalo in the Chicago area today. They read an article and...
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Starfish Crossword
In this starfish crossword puzzle worksheet, students use the 10 clues and the terms in the word bank to help them correctly complete the word puzzle.
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Structures and Behaviors of Planarians
Students investigate planaria of the phylum platyhelminthes. They use DigiScope technology to observe and describe the structure and movements of planarians.
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The "Seedier" Side of Plants
Students demonstrate seed dispersal vectors through role-play, analyze seed types, identify plant parts, list seven conditions plants need in order to grow, and describe how seeds travel.
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Invertebrate Vocabulary-- Marine Invertebrate Match
In this science worksheet, students study 12 vocabulary words which pertain to marine invertebrates. Students read the definitions which include pronunciation, part of speech and meaning of the name. Students then look at 16 organisms...
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Fertilized Death Water
Young scholars investigate the effect of chemicals on Platyhelminthes and planaria development. They observe the growth and development of planaria and investigate what fertilizer can do to living organisms when it is introduced into...
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Classification of an Echinoderm
Students study starfish through dissection. In this biology lesson plan, students explore the lives of starfish as they view a slide show, observe parts of echinoderms, and compare the classification of the starfish with other...
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Ecology - Ecosystem
Third graders research ecosystems, the work of ecologists, John Muir's contribution to the environment and an endangered species of their choice. They read books, participate in discussions, and write reports.
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Flatworm Experiment
Sixth graders participate in an experiment in which they view flatworms and hypothesize the effect fertilizer has on flatworms when it is added to their environment. Students work in groups of four or five and view a slide, under a...