Curated OER
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....
Curated OER
Atoms and Elements: An Introduction
Students are able to discuss the difference between a proton, a neutron and an electron. They also can explain the difference between an ionic and a covalent bond. Students know the main structure of atoms and molecules. Student are able...
Curated OER
Genetically Modified Organisms
High Schoolers complete a variety of activities as they examine the ethics of (and take a position concerning) genetically modified organisms in the field of agriculture. They complete a PowerPoint demonstration to go along with the unit.
Curated OER
LP 6--8: Xenopus laevis (frog) Development for a 7th Grade Audience
Seventh graders view lab stations with Xenopus at different stages of development. They identify the life stage of the sample, as well as the previous and next stages. Students must explain their reason for selecting the specific stage.
University of Minnesota
What's the Deal? Addiction Card Game
Addiction is a big deal! Playing a game of cards helps learners understand the concept of addiction. Through their analysis, they examine the potential for addiction and how it varies for each individual.
Curated OER
Virus Tracker
Sixth graders will simulate the spread of a virus such as HIV through a population by "sharing" (but not drinking) the water in a plastic cup with several classmates. Although invisible, the water in a few of the cups will already be...
Curated OER
Labs on A Chip
High schoolers are introduced to DNA microarrays. They discuss how scientists and doctors use them and how they work. They complete a worksheet and discuss their findings.
Curated OER
Different Types of Orange Juice Contain the Same Amounts of Vitamin C?
Students measure and compare the amount of vitamin C in orange juice samples. They discover the effects of different factors on the concentration of vitamin C. They participate in an experiment to test the orange juice.
Curated OER
DNA Extraction From a Variety of Tissue Samples
Students, working in cooperative groups, extract very impure samples of DNA from a number of tissue samples. They determine how the samples can be preserved and how they are similar.
Curated OER
Describe the Perfect Pathogen
Students develop a pathogen based upon their knowledge of pathogens and after presenting it to the class, they then suggest ways that the pathogen might be combated. Next they identify possible physical or behavioral changes in a...
Curated OER
X or Y- Does it Make a Difference?
Students examine the X and Y chromosomes. In this research instructional activity, students use the 5E instructional activity model as they read articles about human chromosomes then discuss their findings and opinions.
Curated OER
Animal Nutrition
Use this great overview to give information on all aspects of nutrition. By working their way through this PowerPoint, students review a lot of information about the digestive process. Students read many facts on a number of detailed...
Curated OER
DNA Replication
Students create a model of DNA and simulate replication with their models in an activity that uses licorice, colored marshmallows, and toothpicks. Students also label a diagram of replication and indicate major parts of the DNA molecule.
Curated OER
The Science of Respiration and Blood Circulation
Fifth graders study how respiration and circulation are connected. In this respiratory lesson students complete several activities to better understand heart rate and carbon dioxide in the body.
Curated OER
Temperature and the Tomato
You will need a photovoltaic system and monitor at your school in order to obtain all of the data required to thoroughly implement this lesson. Your class monitors daily temperature and insolation amounts over a two week span of time....
Curated OER
A Little More Advanced Biotechnology Tools: Better Plasmids
A nice set of information that will help your students understand the process of using recombinant plasmids. DNA hybridization and blotting mechanisms help illustrate expressed genes and the concepts behind the Human Genome Library....
Curated OER
A Little More Advanced Biotechnology Tools; Better Plasmids
After using this DNA and plasmids slide show, the steps of the delicate procedures of southern blotting and DNA libraries should be more clear to your students. Students will read the guidelines and are also prompted to answer questions...
Curated OER
MITOSIS
Tenth graders examine the process of mitosis on a laser disc. They examine mitosis in an onion utilizing the microscope.
Curated OER
Nucleic Acids and Protein Synthesis
Tenth graders complete a vocabulary assignment based on terms in the unit. They complete appropriate worksheets as each section of the unit is completed. They participate in classroom discussions. They construct a model of a DNA molecule.
Curated OER
Protein Synthesis Activities
Students participate in a teacher-guided activity to teach about protein synthesis. Student roles include one person as the DNA molecule, another is a single stranded sequence of complementary mRNA.
Curated OER
What's Inside
Students become more familiar with life science in the context of the scientific method which helps them to become familiar with the various kinds of life science diagrams they may see on a GED science test.
Curated OER
Sizing Up the Supersize Croc
Students examine and compare traits of humans and crocodiles. For this crocodile lesson students use a ratio to estimate the height of a person and compare that to a crocodile.
Curated OER
PARAMECIUM RESPONSES TO STIMIULI
Students design the test they use to examine, how the paramecium move, feed, and react to different types of stimuli such as a drop of vinegar. They conduct a lab experiment using a microscope.
Curated OER
Using Abiotic and Biotic Parameters to Monitor Air Quality
Students identify the abiotic factors that influence a river or stream and the organisms that live in it. They measure several abiotic and biotic parameters to gauge water quality. Students examine the biotic environment by identifying...