Curated OER
Brain POP - Water
In this properties of water worksheet, students complete 11 fill in the blank and 5 matching questions about surface tension, water hardness and water trivia.
Creative Chemistry
Some Redox Titration Problems Involving Manganate (VII)
In this titration learning exercise, students determine the number of moles of an ion present in given solutions. Students calculate the relative formula mass and the concentrations of ions for solutions. This learning exercise has seven...
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Salinity in Mill Creek
Fifth graders use water samples collected at three different locations of Utah's Mill Creek to test salinity of water, hypothesize about salinity levels at each location, record results, and discuss their findings with classmates. ...
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Cell Energy-Bubbling Plants
Middle schoolers discuss the process of photosynthesis in plants and that oxygen is produced as a by product. They observe underwater Elodea plants "breathing" in a hands-on activity. After setting up the experiment, they observe the...
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What Is In The Water?
Learners 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...
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Protein Biochemistry: Evidence for Charged Amino Acids in Proteins
High schoolers 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...
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.
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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
High schoolers investigate the effects of acid rain. The lesson contains a lab background for the teacher to use before the implementation of the lesson. 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 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?
Students 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 activity, students calculate the molarity of 13 different molecules. Students also determine the concentration of given solutions. This activity has 19 word problems.
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Solutions
In this chemical solutions worksheet, students determine the molecular weight of a substance, determine the boiling and freezing point of solutions, and determine molarity of a solution. This worksheet has 3 problems to solve.
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Chemical Bonding and Shapes of Molecules
In this chemical bonding worksheet, students 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.
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Moles, Molarity, Grams, and Formula Units
In this atoms worksheet, students calculate the number of moles, molarity, grams, or formula units for 20 different problems.
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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
Field Trip to test Water Quality
Students examine water quality indicators,test water quality and record their results. In this water quality lesson students complete a water testing lab and complete a lab report.
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, learners read how salts are created and how different acids make different salts. This worksheet has one graphic organizer and seven short answer questions.
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What Is A Fossil?
For this fossils worksheet, students read 13 clues pertaining to fossils. Students fit their answers in a crossword puzzle. There is no word bank.
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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 plan students use a website to gain knowledge of estuaries then in groups they create and present their charts.
Curated OER
Does the Introduction of Pesticides and Fertilizers Alter an Aquatic Ecosystem?
Pupils 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.