Search results for: “teacher”

  • Case Study – Are Nanobacteria Alive?

    Case Study – Are Nanobacteria Alive?

    In this case study, students review the evidence of scientists on both sides of the controversy questioning whether nanobacteria are living organisms.

  • How to Put Together Your Classroom Rules

    How to Put Together Your Classroom Rules

    My very first day of school over twenty years ago, I received some very bad advice about classroom rules.  For some reason, my education instructors at the time were very into student centered rule making.   The first day, they said, should be spent by creating rules with the class so that the students are…

  • Investigation:  Osmosis and Water Potential

    Investigation: Osmosis and Water Potential

     Students models osmosis using dialysis tubes that contain different concentrations of sucrose. The tubes will gain water dependent upon the molarity of solution they are placed in. You can make sucrose solutions with table sugar, and instructions are included in the teacher’s guide to the lab.   The second part of the investigation determine the…

  • External Anatomy of the Grasshopper

    External Anatomy of the Grasshopper

    Dissection guide for the grasshopper. Focuses on the external anatomy: legs, mouth parts, segments, includes a labeling and coloring.

  • Case Study: How Do Bacteria Become Resistant?

    Case Study: How Do Bacteria Become Resistant?

    Students analyze data regarding methicillin and penicillin resistant bacteria, focusing how hospitals inadvertently drive the evolution of resistant strains.  Each section of the case explores an aspect of dealing with bacteria, including sanitation,  analyzing agar plates uses the Kirby-Bauer disk method and concludes with students suggesting plans for reducing the incidence of MRSA in hospitals. With…

  • Case Study – Chicago Cyanide Murders

    Case Study – Chicago Cyanide Murders

    Students investigate how cyanide interferes with the mitochondria and the role of oxygen in cellular respiration; based on an historical event.

  • How Can the Scientific Method Solve Real-World Problems?

    How Can the Scientific Method Solve Real-World Problems?

    Read short stories about how scientists used the scientific method to solve real problems, such as the discovery of penicillin and the cause of beriberi.

  • Color a Plant Cell and Identify Functions

    Color a Plant Cell and Identify Functions

    Students learn the structures found in a plant cell by coloring them according to directions.

  • Color a Typical Animal Cell

    Color a Typical Animal Cell

    This worksheet requires students to color a drawing of animal cell according to directions, intended as practice or reinforcement for a unit on cell biology.

  • Case Study – Cystic Fibrosis

    Case Study – Cystic Fibrosis

    This case study explores the relationship between the cell membrane and breathing difficulties that occur as a result of the genetic disorder cystic fibrosis.

  • Mitosis in an Onion Cell

    Mitosis in an Onion Cell

    Graphic shows an image of the cells in an onion root tip in various stages of mitosis.

  • Squid Dissection for Beginners

    Squid Dissection for Beginners

    External and internal anatomy of the squid with directions for dissection and identifying structures.

  • Scientific Method Scenarios

    Scientific Method Scenarios

    students work in groups to develop an experiment that answers a question. Students design the experiment, and must also identify the a control group and the independent and dependent variables in their experiment.

  • Sheep Brain Dissection Guide

    Sheep Brain Dissection Guide

    The brain is one of the most interesting dissections to perform, mainly because all of the structures are easily found and animal models closely resemble human brains..  In this lab guide, students are given instruction on how to remove the dura mater,  and locate the main structures of the external brain

  • Scientific Method and the Simpsons

    Scientific Method and the Simpsons

    NOTE: This is a new version of this activity, with new stories!  Old Version: Scientific Method and the Simpsons This activity requires students to read stories where experiments were performed by members of the Simpson’s family.  The stories are intended to be humorous. Students must identify the manipulated and responding variables (independent and dependent), the…