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Worksheet Six: System of Equations
In this system of equations activity, students solve systems of equations. They plot functions and evaluate solutions as floating point numbers. This two-page activity contains 8 multi-step problems.
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Cell Size and Division or How Big Would You Want To Be if You Were a Cell?
Young scholars investigate why cells divide. In this cell size lesson plan, students observe how far a solution travels into 3 different size model cells of agar. They answer questions about the most effect movement of "nutrients" into...
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Acidity of Foods
Students investigate the acidity of foods using titration. In this acidity of foods lesson plan, students find the acid concentration of 4 fruit juices by titrating them each with sodium hydroxide and an indicator to find the end point. ...
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Classifying Chemicals
In this acids and bases worksheet, students identify the strengths of acids and bases and indicate the concentration of hydronium and hydroxide ions. They determine if given chemical formulas are acids or bases, they find...
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Plasmolysis in Elodea Plant Cells
Students microscopically observe various subcellular components. They determine the effects of different salt solutions on Elodea plant cells. They detect the presence of chloroplasts, cell walls, and cell membranes of Elodea.
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Can Acids and Bases Remedy the Body?
Students try to cure an upset stomach. In this acids and bases in the body lesson, students create a upset stomach with a vinegar and water solution, then use antacids and home remedies to attempt to restore pH balance to the mixture.
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REDOX Lab
Learners produce copper metal by electrolysis. In this REDOX lesson plan, students use a copper (II) chloride solution and a 9 volt battery to produce copper metal through an electrolysis reaction. Learners make observations and take...
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Life Means Water Environment
Students investigate pH levels in bodies of water and experiment with acid/base reactions. In this water and pH lesson, students observe changes in pH levels of a sample solution and observe a Bronsted-Lowry reaction. Students...
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Mystical Membrane
Students investigate osmosis, diffusion and a semi-permeable membrane. In this cell membrane lesson plan, students observe the movement of molecules out of a bag filled with sugar and starch into a beaker of water. They test the beaker...
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The Tests of Fluids for Excess Glucose, Amino Acids and Salicyclic Acid
Students test fluids for amino acids, glucose and salicyclic acid. In this chemistry indicators lesson plan, students use chromatography paper, Benedicts solution and iron chloride to test solutions for amino acids, glucose, and...
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WS 10.9 Ka/Kb
In this weak acid and base learning exercise, learners find the pH of solutions given the equilibrium constants for each of the weak acids and weak bases.
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Probability
In this probability worksheet, high schoolers determine the empirical probability based on specific sample data. The one page worksheet contains three problems. Solutions are provided.
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Infectious Disease Detectives
Young scholars participate in a simulation of how diseases are transmitted. Each student holds a test tube, with only one containing the "disease" while the others have water. They move around the room until told to stop. Using...
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High School Bag Design
High schoolers design a bag that they would personally use to carry needed items to school. In this bag design lesson, students observe real bags and assess needs and wants for a new bag. High schoolers brainstorm design solutions and...
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Time and Timetables
In this time and timetables worksheet, students examine clock faces and tell the time. They draw pictures and indicate the time on a clock. This 22-page worksheet contains approximately 100 problems. Answers are provided at the end of...
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The Cy Young Winner
In this math problem solving problem, students complete a chart showing the total points each of 5 pitchers received in the voting for the Cy Young award. The solution to the problem is included on the page.
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Letters to the Government
Seventh graders examine how to be active participants in their local, state, or federal governments. They create a powerpoint presentation and write a letter to one of their governmental representatives about a problem and solution of...
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Working Together to Improve Our Community
Students from the fourth grade research a solution to a community problem and converse with eighth graders via email. Eighth graders study the political process and work with the fourth graders to present information to the public to...
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Testing and Refining Aircraft Design
Learners design and make a flying device. They work in small groups to brainstorm ideas for the design of their device. They choose an idea or combination of ideas to use for their design and create a sketch of their design. The students...
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Protein Assays: Bio Rad and Page Gels
Young scholars conduct the Biuret Test and the Bio Rad Protein Assay. They examine the spectrophotometer and graph molecular weights and the concentrations of the proteins investigated. They prepare solutions for the Bio-Rad test and use...
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Equilibrium
In this equilibrium instructional activity, students solve 4 problems. They calculate reaction quotients for problems, they examine a reaction in equilibrium and predict solutions to changes made to the reaction.
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Equilibrium and Acid/Base Equilibrium
For this acid/base and equilibrium worksheet, students solve seven problems including calculating equilibrium concentrations of all species in a reaction, calculating the pH of solutions, determining the direction of a reaction at...
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Worksheet 2-2 Stoichiometric Tools
For this stoichiometry worksheet, students solve a variety of problems including finding empirical and molecular formulas, determining molarities of solutions, determining molecular weights of compounds and calculating the percent mass...
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Story Mapping A Favorite Book
First graders create a diagram of a story by using the computer program Kidspiration. In this diagramming lesson plan, 1st graders will pick a book to write about. They then will plug in story elements of the book into the computer...