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Student Exploration: Pond Ecosystem
In this student exploration-pond ecosystem worksheet, students use the Pond Ecosystem Gizmo to measure oxygen concentrations and temperature and record the data on charts.
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Pollution Solutions
Young scholars visit a local park to test the quality of the aquatic environments. They search for sources of pollution and examples of pollution control. Based on their obeservations and experiments, they rate their local environment.
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Alka-Seltzer Cannons
Fourth graders examine how to conduct a reliable scientific experiment so that the results are valid. They compare and contrast the reaction of Alka-Seltzer tables, one whole and one crushed, and time how long each takes to pop the top...
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Web of Life Game
Learners participate in a web of life game. After reviewing new vocabulary, they play each round of the game and discuss the changes that occured in the last round. They are to survive in the game as long as possible given the...
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Brain POP - Water
In this properties of water worksheet, learners complete 11 fill in the blank and 5 matching questions about surface tension, water hardness and water trivia.
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Redox Titration Problems Involving Manganate
In this titration worksheet, 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 worksheet has 7 problems to solve.
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Types of Weathering Vocabulary
For this weathering worksheet, students are given vocabulary terms and definitions related to weathering. They match the proper term with its definition.
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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
Students 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 plant for...
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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...
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Protein Biochemistry: Evidence for Charged Amino Acids in Proteins
Learners 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...
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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
Learners extract DNA from kiwi using household equipment and supplies.
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THE TRICKLE DOWN EFFECT
Learners participate in an exercise which demonstrates how sediments are deposited.
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Acid Rain
Learners 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 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?
High schoolers 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...
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Molarity
For 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 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 learning exercise, students review the different types of bonds and calculate the number of valence electrons in molecules. This learning exercise has 11 matching and 15 multiple choice questions.
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Titration Calculations
In this titration worksheet, students calculate the moles of acids in a given amount of solution. Students balance equations and calculate the concentrations of given acids. This worksheet has 10 problems to solve.
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Salts
In this salts worksheet, students read how salts are created and how different acids make different salts. This worksheet has 1 graphic organizer and 7 short answer questions.
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Moles, Molarity, Grams, and Formula Units
In this atoms activity, learners 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...