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Redox Equations and the Half-Reaction Method

For Teachers 9th - 12th
Students review half-reactions and practice balancing redox equations in order to help them solve problems in chemistry.
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Mechanically Inclined

For Teachers 8th
Eighth graders examine the mechanical advantage of an inclined plane through experimentation.
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Power, Work and the Waterwheel

For Teachers 6th - 8th
Students use a two-liter bottle, dowel rod and index cards to design and construct a water wheel. They then calculate the power created and measure the work done by the water wheel in Watts and Joules.
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Evaluating Observations and Measurements

For Teachers 3rd
Third graders review the scientific method and how and in which steps scientists use observations and measurements. Then as a class, they hypothesize which ramp will send the car the farthest. They break into groups and send cars down a...
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Photosynthesis and Cellular Respiration

For Teachers 9th - Higher Ed
In this energy worksheet, students review the processes that create energy for a cell: photosynthesis and cellular respiration. This worksheet has 11 fill in the blank and 14 short answer questions.
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Energy in Chemical Reactions

For Teachers 9th - Higher Ed
For this chemical reaction worksheet, students determine if reactions are exothermic or endothermic. Students define enthalpy and calculate how much heat is released or absorbed during reactions. This worksheet has 1 matching, 1 fill in...
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Using Inequalities to Problem Solve

For Teachers 8th - 10th
Students explore inequalities. For this Algebra I lesson, students solve and graph linear inequalities involving addition, subtraction, multiplication, or division.  Students use inequalities to solve and graph real-world problems.
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Price of Apples- Linear Data

For Teachers 8th - 10th
Learners collect data and create a graph. In this algebra lesson, students describe functions graphically, algebraically and verbally. They identify functions as being independent and dependent using variables.
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Harmonic Motion

For Students 9th - 12th
In this waves instructional activity, students review the characteristics of harmonic waves including amplitude, cycle, phases, and friction. This instructional activity has 37 problems to solve.
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Algebra- Cell Phone Plans

For Teachers 9th - 12th
Students analyze graphs to compare cell phone plans. For this algebra lesson, students work together to analyze phone plans and report the best phone plan. Students develop tables and graphs.
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Using Algebra to Solve Puzzles

For Teachers 9th - 10th
Students explore basic algebraic operations to solve real life situations. Additional problems are presented to continue the exploration of the concept.
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Predators and Prey

For Teachers 4th - 8th
Students explain how the food chain works. They contrast predators with prey and describe their function in nature. Students discuss how the food chain aids in keeping nature balanced. In small groups, they play a game that simulates the...
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Graphing Inequalities

For Students 9th - 10th
In this graphing inequalities worksheet, students create graphs of algebraic expressions containing inequalities. This two-page worksheet contains explanations and examples prior to the exercise. The first page is a contains...
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Free Fall Graphing Exercise

For Teachers 12th
Twelfth graders practice their graphing skills in an exercise about acceleration due to gravity. Lesson opens with a demonstration of acceleration due to gravity and a brief discussion. Students complete a worksheet and go over answers...
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Geometric Basketball Court

For Teachers 8th - 10th
Learners calculate the area and perimeter of a basketball court. In this geometry instructional activity, students differentiate between similarity and congruence of geometric objects. They test conjectures and use it to solve problems.
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Distance over Time

For Teachers 4th - 7th
Students analyze velocity and how it is determined. They experiment with velocity in order to measure and calculate the magnitude of speed. They use examples in their novel "Skateboard Renegade" to relate velocity to real life situations.
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Focusing Light With a Lens

For Teachers 9th - 12th
Students experiment with a converging lens. They observe the image of an object through a lens. They determine the magnification of the lens.
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Addition and Subtraction in Center Time

For Teachers 1st
First graders complete center activities as they practice their addition and subtraction skills. They listen to Rick Walton's, "How Many, How Many, How Many" before playing games, and completing addition and subtraction worksheets at...
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Understanding and Computing Riemann Sums

For Students Higher Ed
In this Riemann sum worksheet, students use the Riemann sum to determine the volume of a square pyramid and the estimates of area around a circle. This four-page worksheet contains 18 problems.
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CSI Investigation

For Teachers 8th - 10th
Students solve real life situation using the Pythagorean Theorem. In this geometry lesson, students calculate the length, midpoint and slope of segments. They solve word problems using properties of square roots.
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How to Practice Multiplication Drills Without Worksheets

For Teachers 2nd - 8th
Learners practice their multiplication facts without the use of worksheets. They participate in an activity practicing their facts using a die. They record their progress and the game is adjusted as their level increases.
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Antacid Lesson Plan

For Teachers 11th
Eleventh graders use titration methods to study properties of antacids. They look at the strength, effectiveness, PH, and effect of supplements taken at the same time. They make observations after the different mixtures are combined and...
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The Drag of Drag

For Teachers 9th - 12th
Students are told that any object moving through a fluid (air, water, molasses, etc) experience a drag force which oppose the motion. They are given the summarized version of drag which is proportional to the square of the velocity....
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Snell's Law (And Then Some)

For Teachers 9th - 12th
Learners conduct an experiment to test Snell's Law using a block of lucite and a ray box. They measure the light rays as they impinge upon the block. Students are also asked to draw the situation of the lab or create a model of the...

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