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- Grade Range
- 9th - 12th
- Rating
Students learn the concept of diffusion and show the process of how all materials enter and leave the cell. Full Review »
- Grade Range
- 8th - 12th
- Rating
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. Full Review »
- Grade Range
- 6th - 8th
- Rating
Students discuss diffusion and osmosis as they relate to how food, oxygen and other necessary substances move into a cell. They determine how waste products move out of the cell. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students calculate the SA/V ratio and volume of phenophthalien agar that are cut into different shapes. They then let ammonia diffuse into the various pieces of agar and determine the effect that SA/V had on the rate of diffusion. Full Review »
- Grade Range
- 6th - 8th
- Rating
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. Full Review »
- Grade Range
- 5th - 6th
- Rating
Students engage in an experiment for the scientific concept of diffusion of particles. There are instructions for classroom set up prior to conduction of the activity. Students sit in the classroom that is filled with the smell of peppermint from one side to the other. They observe how the smell passes through the room to reach equilibrium. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students watch a demonstration of diffusion given to them by their teacher. After the demo, they discover that diffusion can occur at different temperatures and rates. In groups, they collect and interpret data into an easier form to read. Full Review »
- Grade Range
- 12th - Higher Ed
- Rating
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. Data is collected and analyzed by using the Texas Instruments 82 graphing calculator. Students graph results. Full Review »
- Grade Range
- 7th - 9th
- Rating
Students 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 conducted too. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students determine what type of energy is being shown when two balls hit each other. As a class, they take notes on the process of diffusion and the factors that control which speed it occurs. In groups, they participate in an experiment and calculate the rate of diffusion. Full Review »
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