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Yeast - A Dihybrid Cross
Students make a yeast dihybrid cross and follow two forms of each of two traits: red growth versus cream color, and tryptophan-dependent versus tryptophan-independent.
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Grade 5: Alphabet Frequency
Fifth graders collect and organize data from writing samples, use fractions and decimals to describe the experimental data, and use the experimental results to make predictions about the frequency of letter usage in the English language.
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Divide and Conquer
Seventh graders analyze responses to different types of problems. Using pictures and diagrams, they explore and model the division of fractions. Students examine situations that call for division whether with the whole numbers or with...
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An Introduction to the Natural Logarithm (ln)
Students explore the dose response principle, an introduction to what the "natural log" (ln) is and how it behaves. They create and analyze a dose response graph.
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Is Organic Food Worth the Extra Cost?
Young scholars calculate the amount of pesticide residue in selected foods for two
pesticides and determine if these levels are safe. They read an article about a
research study looking for metabolites of these pesticides in children....
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Discovering Pi
Students develop a formula that describes the functional relationship of the circumference of a circle to its diameter. Working with a partner, they measure the diameter and circumference of circular objects in order to discover the...
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Money Circulation: A Story of Trade and Commerce
Middle schoolers are introduced to the meaning, symbolism, and value of the quarter. They determine the percentage of total monetary value held in quarters and graph the results. Students infer about the U.S. Mint's distrubution of...
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The Human Line Plot
Fifth graders collect data and use charts and line plots to graph data. Through class surveys, 5th graders collect data concerning a particular subject. They graph their data using a line graph. Students make inferences and predictions...
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The Dark Side of Family Life
In this family life worksheet, students answer seventeen questions about problems such as domestic violence by constructing short and extended response answers.
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The Social Distribution of Crime
Students explore crime within society and the factors that affect it. For this lesson about sociology and crime, students are introduced to key ideas concerning crime and society. Students develop an understanding of factors in society...
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Designing Samples/Simple Random Samples
Students explore the concept of sampling techniques. In this sampling techniques lesson, students identify possible sources of bias in situations such as phone polls, supermarket surveys, and drawing names from a phone book. Students...
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Knead Dough?
Learners make bread and understand that bread gives us energy. For this bread lesson plan, students read the story A Trip to the Market, and learn about the importance of bread. Then they make the bread!
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Line of Best Fit
Students explore the concept of linear regression. In this linear regression lesson, students do a Barbie bungee activity where they collect linear data. Students plot their data using a scatter plot. Students determine a line of best...
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Data Analysis
Twelfth graders collect and analyze data. In this secondary end-of-course mathematics lesson, 12th graders formulate a question they would like to answer and decide on an appropriate means of data collection. Students present their...
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Does Shape Affect Drag?
Students study drag and how it affects a parachute in the sky. In this parachutes instructional activity students build models and compare their drag.
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Mathematical Problem Solving
Second graders solve story problems. In this story problem lesson, 2nd graders solve the problems and explain how they came up with their answers. They create their own story problems to be solved.
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How Do They Relate? Linear Relationship
Students collect information and use a line to represent it. In this algebra lesson, students investigate real world data to see if it makes a line. They graph the line comparing the relationship of the x axis with that of the y axis.
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Loyalists
Students explain why some colonists remained loyal to England during the American revolution. In this social studies activity, students write a letter to an editor about their reasons for remaining loyal to England.
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Stem-and-Leaf Plots
Students are introduced to stem-and-leaf plots and calculating the mean, median, and mode from the plots.
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All Those Advertising Dollars!
Students calculate percent increases (or percent decreases) for the top 25 companies in terms of advertising dollars spent during a year.
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Rotation Sensor Challenge
Students participate in a challenge to construct a rotation sensor with the highest degree of accuracy and repeatability. They conduct computer analysis of their sensor using repeated trial.
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Insect Classification
Students compare and contrast the visible structures of three insects based on photographs. They differentiate characteristics of crane flies, ants, and wasps then create a simple classification system.
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Water Resources
Learners explore the differences between surface water and ground water. They collect data using maps and graphs and investigate a Texas river basin and a nearby aquifer. They complete a written report of their findings regarding the...
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Visual Representation of Reduced Fat
Students demonstrate their understanding of the Five-Number Summary and Box-Plots by analyzing different nutrition labels from regular and reduced fat items using graphing calculators.