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Pesticides and Eggshell Thinning.
Students analyze the calcium content of egg shells as an introduction to the toxic effects of pesticides on biological systems.
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Chemistry Crossword
For this chemical reactions worksheet, students complete a crossword puzzle by figuring out the vocabulary words associated with 34 clues.
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Sorting Plastics For Recycling
First, young chemists practice polymer identification by density and flame tests. With the data collected, they propose a method of separating polyethylene from other plastics and determine what property makes it desirable for recycling....
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Chapter Review Topics for Exam 2
In this chemistry chapter review worksheet, students examine their knowledge of equilibrium, Brønsted acid, and pH value as they respond to 25 short answer questions.
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Predicting the pH of Salt Solutions
A single page provides you with lecture notes for your lesson on hydrolysis. Introduce your chemistry class to Bronsted-Lowry theory by explaining the hydrolysis of acidic cations and basic anions. Show them how the resulting pH can be...
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Evidence of Chemical Change
In this chemical change worksheet, young scholars conduct 4 experiments set up around the room. They follow the instructions at each station for each experiment and list the physical properties and observe any changes at each station....
Creative Chemistry
Acidity or Hydrolysis Reactions
In this acidity or hydrolysis reactions instructional activity, high schoolers read about the different types of metal ions and how they react in aqueous solutions. They also read about the factors affecting the acidity of metal ions,...
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Molarity and Stoichiometry
In this molarity worksheet, students apply the definition of molarity to the given balanced equations. This worksheet has 4 problems to solve.
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Acid-Base Calculations
In this acid-base learning exercise, students calculate the pH of given solutions and determine if given solutions are acids, bases, or neutral. This learning exercise has 3 graphic organizers and 4 problems to solve.
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Addition Polymerization: Preparation of Polystyrene Using Two Types of Initiators
Advanced chemistry classes compare the polymerization of styrene using two different initators: benzoyl peroxide and aluminum chloride. Once they synthesize polystyrene, they compare the two producet for melting point and density. There...
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Temperature
Several slides compare different temperature scales. Thermal expansion, heat transfer, and Maxwell speed distribution are also explored. The last two slides seem unrelated to the topic of heat, but are easily left out of this otherwise...
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Chemical Volcano
Students observe a demonstration performed by the teacher. They examine of a series of acid/base reactions and discover how various indicators work.
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Thermodynamic Equilibrium Constants
In this chemistry worksheet, learners examine the concept of thermodynamic equilibrium constants with intense detail. The application of the knowledge is practiced with problem solving.
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I Wood if I Could
Tenth graders investigate the process of how specific products are made from trees. For this chemistry activity, groups of students must choose among ice cream, bubble gum, paper, toothpaste and lipstick. They research, design and...
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Who Took Jerell's iPod?
Students investigate various substances to determine the perpetrator of a crime. In this biology lesson, students test for the presence of organic compounds in various samples. They identify an unknown substance based on its physical and...
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Weathering Rates
Students calculate weathering rates from tombstone weathering data. Atmospheric (and precipitation) chemistry determines the rate of weathering for marble tombstones. They are shown data from a rural and an unrban cemetery, and are...
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Learning Outcomes
In this science instructional activity, students explore the learning outcomes for a unit on chemical reactions. Students define 60 vocabulary words and answer a list of questions for each topic.
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Chemistry 302
In this chemistry 302 worksheet, students determine if the reaction is a battery or electrolytic. Students balance the reaction and then indicate which species is receiving the electrons. Students fill in a table for a battery made from...
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pH and Titration
In this pH worksheet, students review the titration procedure and the significance of the stoichiometric point. This worksheet has 2 problems to solve.
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Hydrolysis
In this hydrolysis worksheet, students write dissociation equations for the given salts and determine if the salt is acidic, basic, or neutral. This worksheet has 6 fill in the blank questions and 4 problems to solve.
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Interpreting pH
In this pH worksheet, learners read about pH and the concentration of ions in solutions that are acidic and basic. They answer four questions about pH and determine the concentration of hydronium ions and the pH given concentrations of...
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Electrochemistry
In this electrochemistry worksheet, students are given details as to how to solve strengths of oxidizing and reducing agents, battery chemistry and a summary of cell construction and convention.
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Water: The Neutral Substance
In this water worksheet, students read about hydrogen bonds in water and the differences in electronegativity between the oxygen atom and the two hydrogen atoms in water. Students answer four questions about the structure of water and...
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Water Resource Engineering
Students examine solubility and the significance of water. In this aqueous solution lesson students complete a lab activity on soil profiles.