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Air can do work.
Students replicate the teacher demonstrations by changing the variables and predicting the outcomes.
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Using Graphs to Compare
Pupils use the FoilSim computer simulation program, and demonstrate an understanding of the lift variables by explaining their graphical representations. They demonstrate an understanding of forces and motion.
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Making a Mountain Out of a Snow Hill: Skiing, Winter Sports, Economics, Business, Problem Solving
Students explore how to select among choices of variables and analyze the cost-benefit ratio of their short and long term planning in a team activity as they consider the planning and operation of a ski slope.
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Surveying New Territory
Students explore recent research linking economic status with student behavior. They design their own studies that investigate how different variables are related to student performance in particular subject areas.
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Germinating Seeds on Gelatin
Students germinate seeds in unflavored gelatin to which liquid house plant food has been added. Students observe and record plant growth in this medium with a variety of variables in a number of experiments.
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An Investigation into Effects of Rhizobium Soil Bacteria on Nitrogen Availability
Students identify the control and the variables in the experiment. They describe the growth of plants with and without nitrogen fixing bacteria, then name the bacterium responsible for making nitrogen available to the plant.
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A Solar Project
Students make predictions about the global temperature of the earth and to see how this is dependent upon a number of variables. Students visualize how changing parameters can impact the global temperature of the earth.
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High School Mathematics Problems from Alaska: Writing an Equation: Fundraiser
Young scholars represent relationships between variables by writing, creating, and solving linear equations, and using tables and graphing.
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Your Blooming Pond
Young scholars model a pond system that becomes enriched with nutrients (fertilizer). They manipulate variables, make observations over time, and draw conclusions that may lead to further inquiry. They, in groups, simulate a pond...
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Munching Mice
Students examine different variables and their effects on weight gain in mice. They consider the validity of relating the results in mice to humans.Finally, they discuss the ethics of using animals in experiments.
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Batteries in Series: Voltage and Light Intensity
Young scholars participate in a hands-on activity to explore the relationship between the number of batteries in a series circuit and its voltage. Students identify the relationship between two variables and plot points on a graph.
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Grab Bags
Eighth graders graph two inequalities with a single variable. They include drawing the intersection or union of inequalities on a number line. Students solve the linear equations using properties of equality and inequality. The lesson...
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Transpiration
Students explore what affects the rate of transpiration in plants. They measure the rate of transpiration and analyze variables and additional factors that might slow or speed up the rate of transpiration.
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Algebra, Multiplication, and Division of Fractions
Students gain knowledge by measuring time and distance for solving unknowns in an equation. They also will design an airplane and chance to communicate mathematically by writing essays.
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Evolution of Observation
Students develop an awareness of the evolution of the scientific method. They facilitate the student's knowledge of looking at variables from different perspectives. Students develop their abilities to defend their ideas with facts or...
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Succession and Experimental Process
Students describe the roles of controlled, manipulated and responding variables in scientific research. They also identify biotic and abiotic interactions affecting the makeup of a plant community.
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Key Problem 1
Students find relationships between two variables. They use given data in an Excel worksheet to examine the pitch of a cricket chirp and the approximate temperature. Student determine if the recorded pitch of a cricket can actually...
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Volumw Measurement, English System
Eighth graders biew each volume container and discuss where they have seen them in their home, and how they have seen them used. They explore the different names of volume sizes and their equivalents towards one another. Students...
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Solving Multi-Step Inequalities
In this math worksheet, young scholars solve inequalities. Four problems involve negative values for the variables. Inequalities involve two or more steps to solve. The final two problems are word problems.
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Calculating Range for a Constant Velocity
Students read an explanation from the NASA Web-based "textbook", The Beginner's Guide to Aerodynamics, then use the information in combination with data from other Web sites to solve single variable equations for distance (range), time,...
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Drag Equation - Level 1
Young scholars, after reading the Drag Equation page from the NASA Web site, demonstrate an understanding of this equation and how drag is dependent on the variables included in the equation.
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Drag Equation - Level 2
Learners, after reading the Drag Equation page from the NASA Web-based textbook, demonstrate an understanding of this equation and how drag is dependent on the variables included in the equation.
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Physics: Visualization of Hydrogen Wave Functions
Students explore various methods for visualizing the results of hydrogen wave function. They observe trends using a polar plot tool and make plots for the first three energy levels of the radial wave function for hydrogen. Students apply...
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The Bridge Challenge
Pupils identify important structural elements in bridges. They use a worksheet and websites to investigate different types of bridges and variable factors that relate to building a bridge.
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