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- Grade Range
- 2nd
- Rating
Students observe osmosis by participating in experiments using eggs, beans, vinegar, water and sand. Full Review »
- Grade Range
- 1st - Higher Ed
- Rating
Students complete a knolwdge mapping exercise to explain osmosis. Full Review »
- Grade Range
- 6th - 12th
- Rating
Students predict the net movement of molecules across a semipermeable membrane, and define what molecules move during osmosis. They conduct experiments to support the statement that all molecules are in motion. 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 investigate the problem of osmosis by conducting an experiment. They use eggs with the shells dissolved to tell whether fluid can move across the membranes. The experiment provides high interest for all kinds of students to keep them engaged using the hands-on activity. Full Review »
- Grade Range
- 7th - 9th
- Rating
Students participate in a review of diffusion and the basic properties of the cell membrane before exploring the process of osmosis in a lab activity. Using shell-less eggs that have soaked in various solutions, students make measurements and collect data on the changing sizes of their eggs. 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
- 9th - 12th
- Rating
Students investigate the scientific concept of diffusion and osmosis with the help of dialysis tubing. They conduct an experiment to see if molecules cross a semipermeable membrane. The diffusion is measured and the data is recorded and determined if it supports the hypothesis. Full Review »
- Grade Range
- 7th - 10th
- Rating
Students explore diffusion and active transport. They observe the effects of eggs in vinegar and predict what will happen when eggs are placed in corn syrup with food coloring. Students complete worksheets which lead them to describe the movement of molecules in and out of cells as they identify osmosis, diffusion, and active transport. Full Review »
- Grade Range
- 6th - 12th
- Rating
Students identify the main functions of the cell membrane and the cell wall. They explain the processes of diffusion and osmosis. In addition, describe what happens in simple diffusion and view a demonstration. Full Review »