Diffusion Teacher Resources

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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 bilayer, hydrophilic, and hydrophobic. Students discuss diffusion which is an example of passive transport.
Students distinguish between diffusion and osmosis and describe ways that drugs can be administered.  In this diffusion instructional activity students research career paths and create a presentation to give to the class. 
In this biology worksheet, students examine the effect of electrolytes upon the homeostasis of the body. They focus upon how the body regulates the ph level.
Beginning biologists explore passive transport through two demonstrations and a hands-on inquiry. Spray air freshener from one spot in the classroom and have class members raise their hands as the scent reaches them. Also, place a teabag into a clear glass container of hot water for them to observe. The accompanying activity involves individuals soaking a bear-shaped gummy candy in distilled water overnight, comparing before and after measurements of mass and length. This resource would support your life science lesson on passive transport.
Educate and entertain at the same time! When presenting upcoming biologists with homeostasis in animals, use this colorful and information-packed presentation. Animals make humorous comments on the information provided. It details the processes of water balance and nitrogen waste removal with diagrams, photos, and comprehensive notes. 
Explore structures within the realm of gas exchange in terrestrial and aquatic life.  The excellent, labelled diagrams and clear descriptions help your students view the different structures and adaptations that have developed. The 29 slides explain diffusion of gases, and students should be able to take useful notes to summarize these facts and processes even further.  
The many mechanisms of maintaining internal conditions of an organism are detailed here, with clear examples of how separate evolutionary paths have led to different conclusions. The slides are concise and attractively designed with information about diffusion, osmosis, waste diposal, and hormone feedback loops. Some slides have questions regarding the mechanisms of regulation which stimulate questioning and discussion from the students.
This presentation begins with the many problems multicellular organisms which rely on diffusion encounter. There are many diagrams of mammalian organ structures, and they are labelled with their relevant functions. This an excellent PowerPoint to show a class that has a basic understanding of system organization in humans.  
Learners discover advances in biomedical technology such as transdermal delivery and other non-invasive procedures. In lab activities, they examine how medication is given and how molecules travel, observe electrophoresis, and conduct several experiments in groups. In another activity, students inspect how drugs are delivered through a stent and how catheters and angioplasty balloons are inserted.
In this biology worksheet, students review in depth curriculum content concerning the human body and the effects of external factors while considering internal functions.
In this homeostasis instructional activity, students complete a crossword puzzle with 22 question on homeostasis and cell transport. They identify the different ways substances are transported in and out of the cell.
In this biology learning exercise, students review in depth curriculum content concerning the human body and the effects of external factors while considering internal functions.
In this homeostasis and plasma membrane worksheet, 9th graders identify and solve 11 different vocabulary terms and definitions. They review the definitions of the words listed and then use the clues to complete the puzzle shown. Finally, they use the letters in the dark boxes that describe what is being studied.
In this homeostasis and plasma membrane instructional activity, students complete 4 different questions related to the diagram shown at the top of the sheet. They draw an arrow across the plasma membrane in the diagram to show which way water molecules move during osmosis. Then, students identify which substance moves in osmosis.
Does salt water affect a plant cell differently than fresh water? High schoolers will work together to answer this question through a series of observations of macroscopic and microscopic observations. The investigations are straightforward and easy to follow, and they also lend themselves well to a full lab write up. 
The need for a respiratory system in humans versus being reliant on gas exchange structures is demonstrated. There are many details about the advantages and disadvantages of each mechanism.  Students are able to learn about the hemoglobin (haemoglobin) and oxygen dissociation curve.
Students investigate the disease of diabetes. They observe research results to graph the trends of diabetes to contribute to the problem of being overweight. They explain in class discussion the physiological changes that occur in the body of a person who has diabetes.
Learners examine the hierarchical organization of the brain, neuron, and synapse; explain the sequence of events involved in communication at the synapse; and that synaptic transmission involves neurotransmitters.
In this biology worksheet, students examine the brain center and how it controls the operation of respiration and interacts with the upper respiratory system.
Twelfth graders investigate specialized structures in both plants and animals. They relate structure to function, as they determine why the specialization is necessary and useful to the living organisms involved. They use microscopes to look at cells and they investigate the differences between different types of cells.

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