the movement fo molecules across the cell membrane requiring energy

Cell Membrane and Transport - Digital Scavenger Hunt Activity is an activity by Guinea Pig to use as part of their lessons, to enhance your English at your school

Cell Membrane and Transport - Digital Scavenger Hunt Activity

Dried and wrinkled salad/lettuce can be "refreshed" by immersing it in cold water. This is due to osmosis. The process is shown in a time lapse video where things are speeded up 720x.

Osmosis in the kitchen

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Passive Transport Special Types of Diffusion - Animated membrane physiology

There are three main types of passive transport:
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Simple diffusion – movement of small or lipophilic molecules (e.g. O2, CO2, etc.)
Osmosis – movement of water molecules (dependent on solute concentrations)
Facilitated diffusion – movement of large or charged molecules via membrane proteins (e.g. ions, sucrose, etc.)

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Passive Transport Special Types of Diffusion - Animated membrane physiology

Here is  student made time-lapse video illustrating the process of diffusion using tea bags.

Tea Diffusion - Time Lapse

This is an animated demonstration of osmosis, specifically isotonic, hypotonic and hypertonic solutions. More educational videos can be found at: http://www.mcsdpodcast.net

Osmosis.mp4

Cell Membrane and Transport - Student Presentation 

Cell Membrane and Transport - Teaching Presentation 

Cell Membrane and Transport - Exit Ticket 

Cell Membrane and Transport - Student Lesson Outline 

Cell Membrane and Transport is a lesson by Teach Science with Fergy, containing engaging videos, presentations and activities to help develop students' science knowledge.

Active transport

Science Resource Description