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Investigating Osmosis
A thorough investigation of cell transport is provided when completing the assignment. The first half requires biology class members to answer questions about diffusion and osmosis with the aid of diagrams. Then they fashion an...
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Diffusion across a Selectively Permeable Membrane
Lab groups fill a section of dialysis tubing with glucose and starch solutions and suspend it in a water bath. They use iodine as a starch indicator and a glucose test strip to find out if either of the materials crossed the selectively...
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Regents High School Examination: Living Environment 2009
Emerging ecologists need a full understanding of life, from the inner workings of a cell to the complex relationships among organisms. This examination is meant to assess high schoolers after an entire year course on the living...
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Regents High School Examination: Living Environment 2003
The living environment, from the interior of a cell to the complex relationships among populations, are queried in this final examination. Learners look at air pollution maps, diagrams of cells, population graphs, and drawing of cells....
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Regents High School Examination: Living Environment 2005
The 2005 version of the Regents High School Examination in the area of ecology is as comprehensive as previous years' exams. It consists of 40 multiple choice questions on everything from the structure of DNA to the interactions within...
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Regents High School Examination: Living Environment 2007
Environmental science enthusiasts show what they know at the end of the year by taking this full-fledged final exam. They answer multiple choice, graph interpretation, and essay analysys questions, 73 of them in all. Topics range from...
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Regents High School Exam: Living Environment 2008
Tne New York Regents High School Examinations are comprehensive and include various styles of questions, includingmultiple choice and the analysis of graphs. This particular version, the 2008 Living Environment exam surveys a variety of...
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Cell Size and Shape; Diffusion and Osmosis Processes
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...
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Diffusion and Osmosis Challenge
Challenge your biology class to analyze an experimental setup, in which a selectively permeable membrane separates two distinct solutions. They consider the concentration of the contents and answer ten questions pertaining to the...
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Regents High School Examination: Living Environment 2010
This exam touches upon every topic within the typical first year biology course.. A broad variety of question styles give high schoolers every opportunity to show what they know. Why start from scratch when a comprehensive final exam is...
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The Cell Membrane
Your students will love this PowerPoint! Great visuals will support understanding of membrane proteins, cell membranes, active transport, and diffusion. There are a lot of details on each page and all are relevant. The presentation could...
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Basic Cell Structure
Initially, general details about cells and single cell organisms are provided. Next, the concentration becomes cellular processes such as respiration, osmosis, diffusion, fission and mitosis. This is an attractive PowerPoint which gives...
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How do Hypotonic, Hypertonic, and Isotonic Solutions Affect the Water Movement of a Cell?
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...
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Semipermeable Membranes and Bioaccumulation
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....
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WET Science Lesson #5: Pass the Salt Please! (How Road Salt Affects Wetlands)
As an anticipatory set, biologists listen to the story of Ruth Patrick, a scientist who used algae to detect water quality. They observe a demonstration of osmosis and diffusion. In their lab groups, they place Elodea stalks in...
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The Nobel Prize in Chemistry 2003 - Information for the Public
An information-packed eight-page article detailing the history of understanding active transport across cell membranes makes up the bulk of this handout. Two pages of reading comprehension and critical-thinking questions follow. The...
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AP: Chapter 8: Membranes
AP biology buffs dismantle the mystery of the cell membrane by explaining its structure and function. They decipher membrane fluidity, define the roles of membrane proteins, and analyze a diagram of a selectively permeable membrane...
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AP Chapter 9: Respiration - Extra Credit 3 Peter Mitchell & How Cells Make ATP
Critical thinking is required to answer these five questions on cellular respiration. Advanced biology learners consider transport across the mitochondrial membrane and the metabolic pathway in ATP synthesis.
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Membranes
Biology pupils take the cell membrane apart piece-by-piece as they complete this worksheet. They describe the structure of the cell membrane and explain the processes that transport materials across it. This phenomenal resource even has...
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Starch
Students examine the basics of starch and how it is used in food. In this photosynthesis activity students experiment with variables that affect starch production in photosynthesis.
Coastal Carolina University
Osmosis and Diffusion Lab: Honey I Blew Up the Bear
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...
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Science Jeopardy
Make reviewing evolution, cell division, genetics, cell structure, and scientific method more fun! Science Jeopardy allows teams to choose a category for the question they will address. If you complete the entire game, learners will have...
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The Great Animal Systems Challenge!
Advanced placement biology aces list systems that have evolved over time, adaptations, and structure-function relationships. The resource requires plenty of writing to answer these questions, so allow a few days for them to complete the...
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Worksheet 15-4 Colligative Properties
In this colligative properties worksheet, young scholars complete 8 sentences by filling in the appropriate word or phrase from the word bank, solve 3 problems, and respond to 5 short answer questions regarding osmosis, antifreeze, and...