Curated OER
Extraction of DNA from Onion
Students study DNA by isolating it from plant tissue. They determine the purpose of each step in the isolation procedure as it relates to the physical and biochemical characteristics of the genetic material
Curated OER
Making a Human Tree
Students explore botany by defining the anatomy of a tree. In this environmental exploration activity, students research plant vocabulary terms and discuss the uses of each word. Students create a "human" tree by role-playing as one of...
Curated OER
DNA Fingerprinting
Students experiment with chromatography as a technique which is similar to electrophoresis that scientists use to identify DNA samples.
Curated OER
Self Portrait, What Nerve!
Students conduct an experiment to determine the distance between touch receptor fields in parts of the right-hand side of the body. They enter data into the data table.
Curated OER
Making Paper
Fourth graders investigate the paper usage in their classroom and in other countries by using estimation, counting, and measurement skills. They make paper from recycled paper.
Curated OER
Making Paper
Students make paper from recycled paper. The student estimates, counts, and measures he amount of paper consumed in a classroom daily. They discover that if we use too much paper, it fills up landfills. Some activities they are doing...
Curated OER
Making Embryo Sets
Students preserve embryos to study embryonic development from day 3 through 21.
Curated OER
Paper, Microorganisms, and Biocides
Students study the paper making process and discuss the implications of recycling paper. Students conduct a lab to determine if microorganisms are present in different solutions used in the papermaking process today.
Curated OER
Using Ion Exchange Chromatography to Separate Proteins
Students explore protein purification by separating a positively charged molecule, lysozyme, from a negatively charged molecule, albumin, at neutral pH using ion exchange chromatography.
Curated OER
Teaching Biotechnology by Analogies and Models
Students examine analogies and create models to help visualize the concept and technique of basic biotechnology. Common scenarios are used to explain the complex procedures of genetic engineering.
Curated OER
Spreadsheet Graphs
Students create graphs using information from spreadsheets. They select a topic from the following choices: website use, digital cameras, spreadsheets, calculators or educational software. They tally the class results and create an...
Curated OER
LISTENING TO DIRECTIONS
Students view farm objects or products made from farm animals and follow the oral instructions given by the teacher. They are given worksheets, there are three sets of directions for the one worksheet. Students worksheets have everything...
Curated OER
Major Ocean Surface Currents
Students investigate wind driven surface currents and prevailing winds by playing a card game. The cards are sorted by north or south and Atlantic or Pacific. They then predict where the two currents are found and what their...