Curated OER
DNA Cut and Paste Activity
Here is a cut and paste activity worksheet designed for older students. They fill in the blank with information about the composition of DNA, then create a DNA strand with its complimentary nucleotide chain.
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What Do Fish Want?
Topics covered by the notes in this presentation are water components, what is acceptable in terms of water quality for the fish living in it, ammonia and natural filtration, nitrates, and dissolved oxygen. Each slide has the same...
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DNA and Cell Reproduction
These slides have lovely images to illustrate the Double Helix and replication. The specifics of chromosomes within cells and the numbers and structure during different stages of cell replication are explained.
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Phosphate Testing Contract
Students examine how to prepare an experimental procedure. In this scientific method lesson students conduct an investigation on phosphate.
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How Can You Test Your Soil?
Students investigate chemicals in soil samples. In this soil science lesson, students test local soil to measure the pH, nitrate, phosphate, and potassium content.
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Nomenclature Worksheet
In this chemistry worksheet, students write the appropriate chemical name for the 15 compounds listed. Then they write the appropriate chemical formula for the 15 compounds listed.
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DNA!
In this biology learning exercise, students identify and locate various vocabulary terms pertaining to DNA. There are 29 biology terms located in the word search.
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Effects of Nitrate and Phosphate Changes on the Growth of Algae
Students determine the effects of an increase of the amount of nitrate and phosphate levels on the growth of algae. the development of a hypothesis is encouraged and students proceed to a conclusion based on their results.