Search results for: “teacher”

  • Early Discoveries – CER

    Early Discoveries – CER

    Explore historical scientific discoveries, like Pasteur’s experiments to learn about the scientific method.

  • The Martian and the Car

    The Martian and the Car

    This worksheet is one of the older ones in my collection, and was recently updated to include a Claim-Evidence-Reasoning section (instead of short response/essay). This a a great way to introduce the topic of life and how we define whether something is living or not. In this scenario, a Martian is observing earth and decides…

  • Investigation: Model Enzyme Activity with Toothpicks

    Investigation: Model Enzyme Activity with Toothpicks

    Use toothpicks to model enzymes. Explore substrate and enzyme concentrations by changing toothpick numbers. Model competitive inhibition by taping fingers.

  • OpenStax Reading Guides

    OpenStax Reading Guides

    I use Openstax Biology 2e as a textbook for my AP Bio and dual credit class. Students can download this text for free, view it on their devices and print it out. You can even purchase a bound copy from Amazon for around $60, which is very reasonable for a textbook. This is the book…

  • Experimental Design

    Experimental Design

    Students in most science classes start with an overview of scientific processes. For advanced students, I use this cheat sheet to remind them of the major features of the scientific method, such as a control group, dependent and independent variables. AP Bio students are also introduced to the concept of the null and alternative hypotheses…

  • Storylab: Diffusion

    Storylab: Diffusion

    This story is written from the perspective of a student who in experiencing the real lab. It describes how the lab is set up, by placing a bag filled with starch in a beaker full of iodine. The teacher in the story explains relevant terms, such as semipermeable, diffusion, and indicators.

  • Genetics: Sexy Chickens

    Genetics: Sexy Chickens

    This worksheet was designed for advanced students of biology or for honors students who are ready for an extra challenge. Birds have a ZW sex determination system instead of the XY system seen in humans. If your students have a good grasp on sex-linked traits in humans, then this scenario is a way to really…

  • Simple Diagram Labeling on the Parts of a Chromosome

    Simple Diagram Labeling on the Parts of a Chromosome

    A diagram of a chromosome in the nucleus of the cell. Students label the chromatid, centromere, chromosomes, cell membrane, DNA, and nucleus.

  • What is a Cladogram?

    What is a Cladogram?

    Students are given a description and an example of a cladogram showing the relationship between lizards, snakes, crocodiles, and birds. They are then walked through the process of creating a cladogram for five animal examples: frog, fish, bird, koala, and lizard. The process involves suggesting traits that these animals share and finding traits that are…