Curated OER
Understanding Cell Division
Students collect and describe cells from an onion root tip which are undergoing the stages of cell division. They use a ProScope USB microscope to identify and compare cells in five phases of mitosis.
Curated OER
Plankton / Phytoplankton
Students discuss the importance of plankton in the ocean ecosystem. In this biology lesson, students identify the different types plankton by observing them under the microscope. They explain how plankton population affect global climate.
Curated OER
Endosymbiosis: A Friend Within
Students research the ecological principle of symbiosis. Using a microscope, students observe the relationship of mutualism between termites and flagellates. Students examine a live termite and protozoans. They discuss the principles...
Curated OER
Connect the Species
Fourth graders, in pairs, explore energy transfer and species interrelationships by viewing slides on a microscope. hey explore phytoplankton (producers) and zooplankton (consumers)
National Nanotechnology Infrastructure Network
Introduction to Nanotechnology Using the Creative Problem-Solving Model
Should we continue to spend money on nanotechnology? Groups engage in a problem-solving unique process around the newly emerging research field of nanotechnology. In order to propose a solution, the groups must research nanotechnology...
Curated OER
Cell Observation Exercise
Students take measurements of the distance between the objective and the slide when in focus with each objective. They determine the diameter of the field of view at each power in order to determine the size of the cells being observed.
Curated OER
Measuring the Effect of Adrenaline on the Heart Rate of Zebra Fish
Students investigate the heart beat of zebra fish in timed intervals. They record the heart beats and average three counts to display in their data tables. They repeat these steps increasing the adrenaline solution.
Curated OER
Crime Scene Investigation (CSI) with Powdery Mildew Fungi
Young scholars explore a specific method of identifying fungi, using a written key and an illustrated key. Powdery mildew fungi can be identified to genus by the morphology (appearance) of the sexual stage (cleistothecia).
Curated OER
Using Magnetotactic Bacteria to Study Natural Selection
Learners observe bacteria that are able to orient themselves using the Earth's magnetic field.They comprehend the difference between anaerobic and aerobic organisms. Students can tell the difference of the shape of magnetic force field...
Curated OER
Creating Coacervates
Students create and observe coacervates. In this origin of life lesson, students create coacervates by mixing carbohydrate and protein solutions. They observe the life-like qualities of the structures and discuss the origin of life.
Curated OER
Dilution and Concentration of Solutions
Future chemists practice laboratory techniques by creating a monochloramine solution. The objectives are to use of dilution, 9concentration, and measurement skills and to prepare a solution that will be used in a water treatment...
California Academy of Science
Carbon Cycle Role Play
Anytime you make concepts clear with role playing or hands-on experience, it's a win for the whole class. Ping-Pong balls are used to represent carbon in a carbon cycle role-play activity. In small groups, children first discuss what...
Curated OER
Have You Ever Seen a Sea Monkey?
Fourth graders observe brine shrimp over several days. They create drawings showing the growth and development of the shrimp. They research web sites to find out where brine shrimp fit on the food chain and what makes the shrimp unique.
Curated OER
Sediment Deposition Lab
Students set up a stream table, observe erosion, and record data on where various sizes of sediments settle. They draw conclusions as to what kind of sedimentary rock form in what locations.
Curated OER
What's That Brown Fuzzy Stuff on My Plum?
Students use Koch's Postulates to determine that a specific organism is the root cause of a specific disease and identify what Koch's Postulates are within a protocol. They describe symptoms and signs of diseased fruit and isolate fungal...
Curated OER
Amoeba This!!! Amoeba That!!!
Students investigate protozoa. In this protozoa lesson, students identify and classify different types of protozoa using different ecological samples and protozoa charts.
Curated OER
Selling Cells: a Study of Organelles and Cell Structure
Students study cellular structures and functions. In this cell function lesson students participate in a class discussion then make a drawing of the cell they are discussing.
Curated OER
Polytene Chromosomes from Salivary Glands
High schoolers use this laboratory procedure to outline the mechanism by which salivary glands are removed and prepared so that the polytene chromosomes may be observed.Drosophila virilis is used instead of Drosophila melanogaster...
Curated OER
Embryological Development Using Medaka Fish
Students analyze and record major events that occur in the development of Medaka fish eggs from fertilization to hatching. In small group, students describe the processes involved, creating a timeline of the major events in the...
Curated OER
Investigation of Meiosis in Common Plants and Animals
Pupils witness various stages of mitosis through preparing onion root tip slides. With teacher guidance, they learn a great deal through the hands-on process of preparing the slides themselves.
Curated OER
Unit: Processing and Manufacturing: Examination Three
StudentsMatch the vocabulary terms in column A with the definitions in column B. Write the letter of the definition in column B in the space next to the terms in column A. Afterwhcich, students Write short answers or fill in the blank to...
Curated OER
Temperature Affects The Heart Rate
Learners relate heart rate and development to environmental conditions through experiment. In cooperative groups, students record the heart rate in developing zebra fish. Groups create a standard curve to predict the temperature at...
Curated OER
Sedimentary Rocks
Fourth graders discuss the basic properties of rocks, the processes
involved in the formation of soils, and the needs of plants provided by soil. They write descriptions in their Science journal and identify and discuss each type of...
Curated OER
Properties of Materials - Part B
Students describe the history of materials. They use the kinetic (particle) theory to explain changes of state in matter and trace the flow of heat during changes of state and chemical changes.