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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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Determination of Phosphates
Learners engage in a laboratory lesson in order to increase understanding of the impact of phosphates at the chemical and ecological levels. The lab exercise is completed with the goal of getting them to predict the outcomes and future...
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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.
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Water Quality and Nitrates & Phosphates
Students examine the effects of nitrates and phosphates on the dissolved oxygen levels in different water sources. For this series of 3 lessons, they consider the reasons for nitrate and phosphate level increases and their effects on...
Curated OER
DNA Cut and Paste Activity
Here is a cut and paste activity worksheet designed for older learners. 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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How Can You Test Your Soil?
Students investigate chemicals in soil samples. In this soil science lesson plan, students test local soil to measure the pH, nitrate, phosphate, and potassium content.
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Using Venn Diagrams
For this Venn Diagrams worksheet, students complete and draw 10 different Venn Diagrams to match each problem as described. First, they determine the number of students who scored above half on math or science. Then, students compare the...
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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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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...
Virginia Department of Education
Energy and ATP
Take charge of your biology class by using this exciting analogy to relate the ATP process with batteries. Pupils use batteries and rubber bands to simulate the phosphate bonds between molecules in the body. They measure the distance in...
Nuffield Foundation
Enzyme-Catalysed Synthesis
Enzymes: not just for breaking chemicals apart. Young biologists perform an experiment on potatoes. They first remove starch from potato extract. They then add the resulting liquid to samples of glucose-1-phosphate, glucose, maltose, and...
Curated OER
ISOLATION OF DNA FROM ONION
Students perform a laboratory exercise designed to show how DNA can easily be extracted from onion cells. They conduct an optional test for the presence of DNA using standard lab equipment.
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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.
Salt River Project
How Do We Clean Polluted Water?
How do we clean up oil spills and other pollutants in the water? Explore water treatment strategies with a set of environmental science experiments. Groups remove oil from water, work with wastewater treatment, and perform a water...
Curated OER
What's in the Water?
Students make a water sampler and use proper techniques to collect water.They write a essay explaining the inter-relationship of factors such as temperature, pH, dissolved oxygen, nitrates, and phosphates in a lake that might cause a...
Howard Hughes Medical Institute
BCR-ABL: Cancer Protein Structure and Function
How do scientists discover treatments for cancer? A presentation and accompanying worksheet explain how one cancer spreads and a theory of how to stop it. It details the trials and relapses after using the medication. Scholars learn...
Curated OER
DNA!
In this biology activity, learners identify and locate various vocabulary terms pertaining to DNA. There are 29 biology terms located in the word search.
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The Chemistry of Fertilizers
Students use a series of hands-on labs and activities, practice problems, discussions and writing assignments, students investigate about fertilizer chemistry as they break compounds into ions, make a fertilizer and test various...
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Eutrophication Experiments
Observe two different water samples and write down observations. Write a paragraph which predicts the relative amounts of nutrients, nitrates, and phosphates in the water samples. Compare water samples under a microscope.
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DNA Modeling
Students study DNA and its nucleotides. They manipulate paper nucleotides of DNA and investigate how the molecule is produced. Paper versions of sugars, phosphates, and nitrogen bases included.
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Energy in a Cell
For this cell energy worksheet, students will use an energy map to investigate how cells create ATP to store energy and how ATP loses a phosphate to release the energy to the cell. Students will then complete 4 short answer questions.
Curated OER
Is Your Water Clean?
Students compare water quality of different sources. They test water samples for odor, phosphates, pH, bacteria, and dissolved solids. they fill out a data table and answer questions about their findings.
Curated OER
General Chemistry I
In this chemistry worksheet, students balance each of the reactions presented using the periodic table to help. Then they predict the products of the reactions and write the net ionic equation. Students also write the empirical formulas...
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Statistical Analysis for Graphing Calculators
Learners use data from the Chesapeake Bay to analyze temperature, phosphate, nitrates, salinity, and oxygen levels.
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