Search results for: “system”
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Sliding Filament Model Coloring Worksheet
Step by step guide of the sliding filament model;, contraction starts with a nerve impulse and ends with muscle fibers shortening. Students color the diagram.
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Label Steps of DNA Replication
For freshman, DNA replication is only covered in basic terms, where students are told that the process is semi-conservative and leads to the production of two new identical strands. AP Biology students are required to learn te steps of DNA replication and the roles that enzymes like DNA polymerase, helicase, and ligase, play in the…
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Human Population Growth
Students graph population estimates for years ranging from 1650 to 2012. The graph will show an exponential growth curve which students analyze to determine how frequently the population doubles. Students also explore the concepts of carrying capacity and growth rates. Questions ask students to discuss what happens when the earth exceeds its carrying capacity and…
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Modeling Osmosis
This basic lab uses Deco-cubes to show how they change in size when soaked in salt water, distilled water, and tap water.
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Anatomy and Physiology Lesson on Tissues
Phenomenon based unit where students examine the case of a child with the epidermolysis bullosa.
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Reinforcement: Cell
This is a practice worksheet for students who are learning structures found in the cell. A list of terms can be matched with descriptions and definitions. The same terms can be used to label a diagram of an animal cell. I use reinforcement worksheets for review or remediation. I will give students 10 minutes to…
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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.
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Exploration: An Inquiry Activity on the Dubia Roach
A short activity for day one in the science class. Give students a live animal to observe, like a dubia roach. They write observations, questions, and make inferences to share with the class.
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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…