Search results for: “system”
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Investigation: Photosynthesis and Leaf Discs
As photosynthesis takes place, oxygen is released and causes the leaf to float. The number of floating disk is a measure of the rate of photosynthesis.
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Investigation: Enzymes Activity with Catalase
Have you ever noticed that when you pour hydrogen peroxide on a wound, it bubbles? The reason is that bacteria and your own tissue contains an enzyme that breaks down the peroxide. Peroxide splits into a molecule of water and a molecule of oxygen, which causes the bubbles. In a series of tests, students observe…
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External Anatomy of the Grasshopper
Dissection guide for the grasshopper. Focuses on the external anatomy: legs, mouth parts, segments, includes a labeling and coloring.
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What Can Bird Beaks Tell You About Their Lifestyle?
Worksheet showing bird images where students determine their lifestyle based on the shape of their beaks and feet.
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Investigation: What Are the Different Types of Cells?
Students look at cells from different domains and kingdoms; compare the size of cells and how their structure and shape differ depending on their function.
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Case Study – Are Invading Bullfrogs Harmful?
Students follow a story about an ecologist and a student who are studying the population size of bullfrogs in California. These amphibians are considered an invasive species in that area and have been causing the decline of native species. Students learn concepts related to community interactions and learn one species can cause the decline…
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Investigation: Temperature and Fish Respiration Rate
Students investigate what happens to the respiration rate of a fish as the temperature is decreased. Analyze data and create a graph.
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Case Study – A Tiny Heart (old version)
Students examine the symptoms of a newborn baby who has a problem with his heart and suggest treatment options.
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AP Biology – Investigation on Genetics with Plants
A modified AP Lab where students learn to grow plants from a seed, cross pollinate plants and conduct an inquiry investigation about plant genetics.
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Color a Plant Cell and Identify Functions
Students learn the structures found in a plant cell by coloring them according to directions.
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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.
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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.
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Squid Dissection for Beginners
External and internal anatomy of the squid with directions for dissection and identifying structures.
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Investigation: Modeling Diffusion
This inquiry investigation requires students to cut agar into 3 shapes (small, medium, large) and compare the rates of diffusion.
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Comparing Plant Cells
Students observe onion cells and elodea cells using the light microscope. Students compare structures found in each type of cell and create drawings.