Search results for: “ass”
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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 – Evolution and White Striped Clovers
The production of cyanide by clovers with white stripes is an evolutionary advantage is some environments, but not others.
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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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Mitosis in an Onion Cell
Graphic shows an image of the cells in an onion root tip in various stages of mitosis.
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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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Introduction to the Light Microscope
Students learn to use a basic light microscope by examining the structures and using a prepared slide of the letter “e” to practice focusing.
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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.
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Observing Human Cheek Cells with a Microscope
In this lab, students use a toothpick to get a sample of cells from the insides of their cheek, stained with methylene blue.
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Growing Sponge Animals
This simple activity provides an introduction to laboratory techniques and data collection. Students measure how a sponge animal toy grows when submerged in cold and warm water.
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Investigation: What Are the Processes of Science
Inquiry investigation where students develop hypotheses to answer a question about lung capacity, design an experiment, collect data, and draw conclusions.
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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.
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Population Biology with Paramecium
Activity illustrates the competitive exclusion principle by showing students how each population behaves when grown alone or when mixed together.
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Removal of the Frog’s Brain
This worksheet provides instruction for removing the brain and reveal the lower leg bones, which include the femur and the tibiofibula (fused tibia and fibula).