Curated OER
What Is In The Water?
Students investigate the biotic and abiotic factors that are found in an aquatic ecosystem. The emphasis is upon the investigation of present an projections of future water quality. Then students visit a local body of water to gather...
Curated OER
Protein Biochemistry: Evidence for Charged Amino Acids in Proteins
Students add the acid and base drop wise as the protein precipitates. If either are added too rapidly, students may miss detail or the protein may not have sufficient time to renature. Casein does not buffer the solution well when it is...
Curated OER
Temperature Effects on Solubility
Students determine the solubility of salt in water at three different temperatures and graph the results. They use the following skills: observing, inferring, and graphing.
Curated OER
Fruit Cup DNA Extraction From Kiwi
Students extract DNA from kiwi using household equipment and supplies.
Curated OER
THE TRICKLE DOWN EFFECT
Students participate in an exercise which demonstrates how sediments are deposited.
Curated OER
Acid Rain
Students investigate the effects of acid rain. The lesson plan contains a lab background for the teacher to use before the implementation of the lesson plan. They conduct an experiment to collect data and then report the results of the...
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CREATE A CAVE
Students investigate the concept of caves by conducting an experiment. The lesson plan contains background information for the teacher. They collect data while making observations and write a review of the concept once the experiment is...
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What's the Difference Between Concentration and Solubility?
Pupils discuss the difference between concentration and solubility as well as examine the difference in a hands-on activity. Using water and table salt, they experiment with solubility. They create different concentrations using water...
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Molarity
In this molarity worksheet, students calculate the molarity of 13 different molecules. Students also determine the concentration of given solutions. This worksheet has 19 word problems.
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Solutions
In this chemical solutions learning exercise, students determine the molecular weight of a substance, determine the boiling and freezing point of solutions, and determine molarity of a solution. This learning exercise has 3 problems to...
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Chemical Bonding and Shapes of Molecules
For this chemical bonding worksheet, learners review the different types of bonds and calculate the number of valence electrons in molecules. This worksheet has 11 matching and 15 multiple choice questions.
Creative Chemistry
Titration Calculations
In this titration learning exercise, students calculate the moles of acids in a given amount of solution, balance equations, and calculate the concentrations of given acids. There are 10 problems to solve.
Creative Chemistry
Salts
In this salts worksheet, students read how salts are created and how different acids make different salts. This worksheet has one graphic organizer and seven short answer questions.
Curated OER
Moles, Molarity, Grams, and Formula Units
In this atoms activity, students calculate the number of moles, molarity, grams, or formula units for 20 different problems.
Curated OER
Acid, Base, or Salt?
In this acids and bases worksheet, students read about the differences between acids and bases and then complete a table comparing the characteristics of both. Then students determine if the given statements describe an acid, base, or...
Curated OER
What Is A Fossil?
In this fossils instructional activity, students read 13 clues pertaining to fossils. Students fit their answers in a crossword puzzle. There is no word bank.
Curated OER
Field Trip to test Water Quality
Students examine water quality indicators,test water quality and record their results. In this water quality instructional activity students complete a water testing lab and complete a lab report.
Curated OER
How Many Bacteria on Your Food?
High schoolers discuss and conduct a food safety experiment which looks at bacteria and food poisoning. They swab the other area of some food and grow bacteria in an agar plate.
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Getting Physical with Estuaries
Students study estuaries and how the physical factors change over time. In this investigative lesson students use a website to gain knowledge of estuaries then in groups they create and present their charts.
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Does the Introduction of Pesticides and Fertilizers Alter an Aquatic Ecosystem?
Students conduct an experiment using a small sample from a local water source. They introduce fertilizers and pesticides, separately, and carefully examine the results in their simulated aquatic ecosystem.
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Root Beer Production
In this fermentation worksheet, students conduct an experiment to illustrate how the yeast fermentation process is used to produce carbonation. This worksheet has 5 short answer questions.
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Observing Osmosis in a Chicken Egg
Tenth graders develop a hypothesis and explain what they observed on an activity. In this investigative lesson students observe osmosis and report their data using a graph.
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Testing Water for Hardness
Students discuss the nature, cause and effect of hard water. Each student conducts a soap test on a sample of hard water where the hardness is known measuring the height of the bubbles produced.
Curated OER
Still Waters
Students construct a still to turn seawater into drinking water. They estimate the cost of distilling it. They investigate ways to make the conversion more efficient. They track the source of their home drinking water and make a map of...