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Estimating Pi as a Length
In this pi worksheet, students evaluate the curve of a quarter of a circle. They analyze the length of the curve, and explain that if the area under the curve is equal to pi, the length of the curve above is also equal to pi. Students...
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Introduction to Trigonometry
Students identify the six trigonometric ratios and properties. In this trig lesson, students define basic trig functions as it relates to solving right triangles. They identify the equation for sine as o/h and cosine as a/h and tangent...
Pennsylvania Department of Education
Volume of Regular and Irregular Objects
Fifth graders examine patterns and relate to equations to solve math problems. In this patterns lesson, 5th graders diagram, graph, use models and use tables to solve equations for real world problems.
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Half-Life
In this half-life activity, students are guided through the steps of solving radioactive decay problems. They solve nine problems finding rates of decay, half-life and quantities of substances remaining after given amounts of time.
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Studying the Equilibrium of a Water System
In this equilibrium instructional activity, students perform a computer simulation on vapor pressure of water at different temperatures to answer 11 problem solving and short answer questions about the topic.
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Functions
In this functions worksheet, students solve and complete 11 different types of problems. First, they find the coordinates of all points on the graph of each equation where the tangents to the graph are horizontal. Then, students write...
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Surface Area of a Leaf (Grades 7-9)
In this math and science activity, learners read about the process of photosynthesis and plant growth. They determine how a plant's ability to create food is dependent on the surface area of its leaves using geometric calculations. They...
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Add Integers 1
In this math instructional activity, students are given 25 problems involving negative numbers, positive numbers, variables, patterns and story problems.
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WS 10.10 Salts and Buffers
In this salts and buffers activity, students answer five questions about the acids and bases that form salts as well as the equations for a buffer system.
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Molarity
In this molarity worksheet, learners are given the equation to find moles per liter of solution. They solve ten problems finding molarity of solutions, moles needed to make particular molar solutions and mass needed to make particular...
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Geologic Time Scale Analogy
Students examine geologic time to scale. In this geologic time lesson, students create a time-scale metaphor that shows some of the Earth's important events. Students present their metaphor to the class.
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Something's Hiding!
Second graders practice finding out how many tens and ones blocks are hidden from a given total. They mentally perform calculations involving addition and subtraction to explain the meaning of the digits in two to three digit whole numbers.
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Endothermic or Exothermic Reactions
For this chemical reaction worksheet, students determine if given reactions are endothermic or exothermic reactions. Students determine the energy released or consumed when chemical reactions occur. This worksheet has 5 problems to solve.
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Percent Yield
In this chemical reaction learning exercise, students balance the reaction equation, determine the type of reaction, and calculate the percent yield. This learning exercise has 7 problems to solve.
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Rate Equation
In this rate equation learning exercise, students use Euler's method to estimate the value of rate equations. They use the piecewise linear function approximation to determine the solution of an initial value problem. This two-page...
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Evaluating Secondary Physical Constants
In this physical constants worksheet, students use fundamental physical constants of nature to determine "secondary" constants. This worksheet has 7 problems to solve.
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Calorimetry
In this calorimetry worksheet, students determine the specific heat of an unknown liquid. Students calculate the change in enthalpy for given reactions. This worksheet has 20 problems to solve.
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Using Scientific Notation
In this scientific notation instructional activity, students practice calculating area, speed, and volume being sure to write the answers in correct scientific notation. Students complete 11 problems.
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Taylor's Theorem
For this Taylor's Theorem worksheet, students use the microscope approximation to determine the approximate value of a function. They rewrite expressions for the relative error, and observe changes in the relative error. They use...
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Equilibrium Equations
In this chemical reactions learning exercise, learners calculate the equilibrium constant for given reactions. Students decide if reactions are homogeneous or heterogeneous and if the equilibrium favors reactants or products. This...
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Heat of Reaction
In this reactions learning exercise, students define enthalpy, heat of formation, and Hess's Law. Students determine how many kilojoules are released during specific reactions. This learning exercise has 6 short answer questions and 11...
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Chemistry 152 - Competencies
In this chemistry competencies worksheet, learners calculate rate law, balance equations, determine pH of solutions, give the oxidation number for atoms, and write in formulas. This worksheet has 4 fill in the blank questions and 20...
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Thermodynamics
In this thermodynamics worksheet, students calculate the change of entropy and standard free energy change for given reactions. Students write expressions for the thermodynamic equilibrium constants for reactions. This worksheet has 10...
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Chemical Equilibria
In this chemical equilibria learning exercise, students write equilibrium expressions for chemical reactions and calculate the value of the equilibrium constant. This learning exercise has 8 problems to solve.