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Determining the Relationship Between pH and Hydrogen Ions with Microcomputer Based Lab (MBL) and/or Calculator Based Lab (CBL) Equipment
Learners find the relationship between the variables based on experimental data. They determine mathematical relationship between pH and the amount of hydrogen Ions in solution.
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the Potential Consequences of Climate Variability And Change
Students analyze the consequences of changing variables on a system. Changes in a model are measured and recorded and conclusions drawn based on the data provided in this six lessons unit.
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Spectrophotometry Lab
Students use a machine called a spectrophotometer to determine how much light is absorbed by certain substances. Students record the absorbance and the % of light transmitted for different color solutions, graph their results, and then...
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THE ROLE OF A CONTROL IN THE EXPERIMENTAL DESIGN
Students study the role of controls. They discuss variables and list conditions, that if not kept the same for both flasks, could effect the outcome of the experiment. They come up with most of the following: Amount and temperature of...
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Survival Of The Fittest
Seventh graders examine the concept of an ecosystem and how there is a variety of representations of life that exist there. They look at the equilibrium that is reached in stable communities and how the variable of change in...
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Prime Time Math
Seventh graders use educational software in order to practice lesson plan objectives. They define rate and ratio. Students solve distance problems given two variables. They also use a problem solving strategy that can be defended in its...
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Examining Infiltration Rates of Various Soil Types
Students formulate their own hypothesis, determine which variables are important to test their hypothesis, design an experiment in which they collect data. They utilize instruments and tools to measure, calculate, and organize data.
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What's Under There?
Young scholars determine ways to make "observations" about unknowns, such as the land beneath an ice sheet or the interior of the Earth, using tools other than sight. They build "mystery boxes" and exchange them with other groups to...
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Wind Chill!
Students compare and contrast windmill charts to determine how cold the temperature feels in relation to actual degrees. They investigate the wind chill graphs to find the wind chill equivalent and discuss the variables affecting the...
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Translation and Rotation of Axes
Students rotate axes to eliminate the xy-term and illustrate the dissectible cone as needed. They also discuss the discriminant for the second degree equation in two variables, as well as the translation of axes and rotation of axes....
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10-4 Practice: Factoring Differences of Squares
In this practice worksheet, young scholars factor the differences of squares and identify prime expressions. Polynomials contain one or more variables, with exponents. Students complete 42 problems. An answer key is provided.
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9-2 Practice: Dividing by Monomials
For this division worksheet, learners divide by monomials containing positive and negative coefficients, exponents, and one to two variables. Students simplify each of the 27 given monomials. An answer key is provided.
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Solving Equations
In this math worksheet, students find the answers to the equations that are listed to find the solution for each variable. The correct operations are used.
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Never Push Your Pendulum
Young scholars investigate the behavior of pendulums and identify the variables that affect it. In this pendulum lesson students complete a lab on pendulums, make conclusions about frequency and the period then conduct a controlled...
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Solar
Students study solar energy. In this renewable energy lesson students complete several lab activities using different controls and variables.
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Soil and Agriculture:Lesson 3 - Soil Erosion
Learners reseach the different types of soil erosion and ways to control it in this series of activities.
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Red Means Danger
Students describe some common pests. They study three levels of pest control from the IPM pyramid.
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Transformations
Students identify the types of transformations in their lives. As a class, they determine the ones they have control over and which ones they do not. They practice solving problems in math and oral communication that they are faced with...
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There's Always Room For Jell-O
Students explore the breakdown of proteins. They cut wells in Jell-O and observe as the detergent digests the Jell-O. Students record their observations and take measurements.
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Thermodynamic Equilibrium Constants
In this chemistry worksheet, students examine the concept of thermodynamic equilibrium constants with intense detail. The application of the knowledge is practiced with problem solving.
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Probability - Week 6
In this probability worksheet, students solve complex probability problems containing logarithms, radicals, and square roots. This three-page worksheet contains nine problems.
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Probability and Statistics
In this probability and statistics worksheet, learners solve independent and dependent probability problems. They identify the mean, mode and range of a set of numbers. This two-page worksheet contains five probability problems.
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Probability and Statistics - Week 10
In this probability and statistics worksheet, students find compound dependent and independent probability of given situations. They identify the mean, mode, range and median of sets. This two-page worksheet contains explanations,...
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Probability: Basic Rules of Probability
In this probability worksheet, students determine the probability of independent and dependent events. They complete simple and compound events. This four-page worksheet contains five problems. Answers are provided.
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