Curated OER
Movement Across the Membrane (Diffusion)
Students investigate the concept of diffusion and how materials enter and leave a cell. In this movement across a membrane lesson plan, students use perfume, food coloring in water and a sugar cube in water to observe diffusion. They...
Curated OER
Cell 5 Diffusion and Osmosis
Students distinguish between active and passive transport. Students identify key words associated with active and passive transport. They draw and explain the structure f the cellular membrane. They are able to define phospholipid...
Curated OER
Investigating Osmosis
A thorough investigation of cell transport is provided when completing the assignment. The first half requires biology class members to answer questions about diffusion and osmosis with the aid of diagrams. Then they fashion an...
Curated OER
Launch Biotechnology into Your Classroom: Drug Delivery and Diffusion
Students distinguish between diffusion and osmosis and describe ways that drugs can be administered. In this diffusion lesson students research career paths and create a presentation to give to the class.Â
Curated OER
WET Science Lesson #5: Pass the Salt Please! (How Road Salt Affects Wetlands)
As an anticipatory set, biologists listen to the story of Ruth Patrick, a scientist who used algae to detect water quality. They observe a demonstration of osmosis and diffusion. In their lab groups, they place Elodea stalks in...
Curated OER
Semipermeable Membranes and Bioaccumulation
Beginning biologists place a drop of food coloring into water of differing temperatures to observe the effect on the diffusion rate. They remove the shells from raw eggs and then experiment with osmosis over the remaining membranes....
Concord Consortium
Diffusion Across a Permeable Membrane
Oxygen and carbon dioxide freely cross cell membranes. The simulation demonstrates the diffusion of these across a permeable membrane. To create a great visual for users, it graphs the balance of molecules as it changes throughout the...
Curated OER
Diffusion
Learners describe and illustrate the process of diffusion in selelctively permeable cell membranes. They are asked to respond to what they think will happen when food coloring is dropped in a bowl of water. Other activities will be...
Curated OER
Graham's Laws: Diffusion and Effusion of Gases
Students conduct a series of experiments to explore Graham's law. In this chemistry instructional activity, students differentiate effusion and diffusion. They perform calculations using Boyle's, Henry's, Charles' and Graham's Laws.
Science Geek
Kinetic Molecular Theory
The fourth presentation in a series of five begins with information about the nature of gases and what to expect from them. Then it discusses kinetic molecular theory, diffusion, and Graham's Law, and concludes with the purification of...
Curated OER
Diffusion
Students develop the concept of diffusion. In this science lesson plan, students demonstrate diffusion of molecules of matter in various states.
Curated OER
EggCELLent Diffusion
Students examine and discuss the concepts of diffusion and osmosis. They observe the effects of diffusion on eggs by recording the change in an egg's size and the amount of liquid substance that remains.
Curated OER
Germs: Cultural Diffusion
Students analyze agents of cultural diffusion. They discuss how the introduction of television would change various remote cultures, and in small groups create and present a skit demonstrating an agent of change.
Curated OER
Water and Diffusion
In this water and diffusion worksheet, students will explore the characteristics of water and the water molecule. Students will also answer questions about diffusion and the movement of materials due to concentration differences. This...
Curated OER
Diffusion & Osmosis with Data Analysis
Students explore principles governing diffusion and osmosis. Students perform a dialysis tubing experiment. They obtain core samples of potato in varying concentrations of sugar-water to measure water potential of the potato cells....
Curated OER
Diffusion Across a Selectively Permeable Membrane
Students investigate how water passes through cell membranes. In this biology lesson, students differentiate osmosis and diffusion. They illustrate the movement of water in both processes.
Curated OER
Diffusion
Students are asked how does odors move around without energy? They relate concentration gradients, diffusion, and equilbrium and predict water movement into and out of cells. Students are shown a demonstration where the teacher sprays...
Curated OER
Writing Exercises; Belief Systems
This cross-curricular assignment could easily accompany a religious studies or imperialism unit. Prior research is required, as historians compare and contrast major religions and describe religious expansion with regard to contributors...
CK-12 Foundation
Passive Transport
Some molecules move through a membrane with diffusion while others require protein channels. The video and interactive discuss both types of passive transport. Challenge questions allow scholars to demonstrate their understanding.
Curated OER
Osmosis and Diffusion
In this science learning exercise, students investigate the cell and the process of osmosis and diffusion across the cell membrane and then perform an experiment.
Curated OER
Dispersement of Particles: Diffusion and Osmosis
Students explore the dispersement of particles. In this science lesson plan, students describe the many ways in which particles move and transfer from one source to other areas.
Curated OER
The Membrane Potential
Give this summary of 16 pages of a text to your class to deepen understanding of cell permeability, diffusion, ions, and more. The handout portion includes vocabulary clarifications, detailed color diagrams, and important information;...
Curated OER
Belief Systems Along the Silk Roads
Learners examine cultural diffusion. In this Silk Road lesson, students research primary sources to compare and contrast the religious beliefs encountered and shared by those who traded along the Silk Road route.
CK-12 Foundation
Fish vs. Rose
Examine the science behind rates of diffusion. The video lesson and following interactive activity focus on the molecular components of different smells. Learners monitor the diffusion of each smell as they 'race' through a room.
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