Lesson Plan
Curated OER

Osmosis and Diffusion: Egg Lab

For Teachers 9th - 12th
Learners examine why diffusion and osmosis happen in an egg cell.  In this diffusion lesson students demonstrate a semi permeable membrane.
Lesson Plan
Curated OER

Cell Size and Shape; Diffusion and Osmosis Processes

For Teachers 9th - 12th
Use salmon eggs as a cell model for demonstrating the movement of water over concentration gradients. Junior scientists examine the same process microscopically with an onion cell. They use a thistle tube and a semipermeable membrane to...
Lesson Plan
Curated OER

Observing Osmosis

For Teachers 8th - 10th
Students investigate osmosis using egg cells with the shells removed. In this osmosis lesson plan, students remove the shell of an egg by letting it soak in vinegar for two days. They take measurements and observe the cell. They soak the...
Lesson Plan
Curated OER

Osmosis and the Cell Membrane-part 2

For Teachers 7th - 9th
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...
Lesson Plan
Curated OER

How do Hypotonic, Hypertonic, and Isotonic Solutions Affect the Water Movement of a Cell?

For Teachers 7th - 12th
After removing the shell from a raw egg, cell biologists soak the egg in either a hypotonic, hypertonic, or isotonic corn syrup solution. They calculate the percent change in mass and compare it to the strength of the solution in a...
Lesson Plan
Curated OER

Semipermeable Membranes and Bioaccumulation

For Teachers 7th - 12th
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....
Lesson Plan
Curated OER

EggCELLent Diffusion

For Teachers 8th - 12th
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.
Lesson Plan
Curated OER

Osmosis

For Teachers 7th - 10th
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...
Lesson Plan
Curated OER

What Is an Egg Without its Shell?

For Teachers 6th - 8th
Pupils observe osmosis, a cellular process that normally can't be observed without a microscope, and use scientific method to observe osmosis in a chicken egg.

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