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Curated OER
Interior Angles of Regular Polygons
Students investigate the interior angles of a triangle. For this geometry lesson, students create the formula to calculate the angles inside a triangle. They observe the total sum of a triangles angle on the navigator.
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Secants, Tangents and Arcs
Students identify chords and angles. In this geometry lesson, students calculate the length of the chords inside and outside of-the circle. They differentiate between tangent and secant lines.
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Set Design
Students explore proportional reasoning. For this middle school mathematics lesson students investigate scale drawings as they create a proportional representation for the carvings on Mt. Rushmore.
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AC metrology
For this worksheet, students are asked 11 questions about AC currents and transformers and volt meters. Students can check answers online.
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A Tall Story
Students investigate the growth rate of a man named Bob Wadlow. In this growth rate of a man lesson, students determine if the growth rate of this particular man was normal or abnormal. Students bring in data of their height...
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To the Moon
Pupils explore circumference manipulating Moon Pie wrapper. In this geometry lesson plan, they manipulate snack wrappers to find circumference, diameter, radius and distance.
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Investigating Segments in a Triangle
Pupils investigate segments in a triangle by constructing a triangle using Cabri Jr. They construct segments within the triangle that lie on the midpoints of the triangle's sides. Learners then compare the slope of base of the triangle...
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The Language of Science
In this language of science activity, students use the list provided to guess the meaning of each of the list. Students apply root words, prefixes, and suffixes to gain meaning of other science words.
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Water on the Moon!
In this moon learning exercise, learners read about the data collected from the Deep Impact/EPOXI and Cassini missions to the moon that have detected the presence of hydroxyl molecules under the moon's polar craters. Students solve 4...
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Corresponding Parts of Similar Triangles
Here is a lesson that has learners take a look at corresponding parts of similar triangles, ratios of similarity, reductions and enlargements. They'll manipulate the scale factor (r) to observe the changes in similar triangles and then...
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Triangle Midsegment
Learn how to calculate the length and midsegments of triangles. Students differentiate between similar and congruent triangles. They create a spreadsheet with their findings.
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Transformations: Translations
Students perform transformations and translations using polygons. In this geometry lesson, students perform transformations on a coordinate plane. They identify the image and pre-image of each figure.
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Earthquake Lesson Plans
With earthquakes a regular occurrence all over the world, including a recent one in Haiti, students can learn about these phenomena.
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Sports Helmets and Impact Testing of Polymers
Students examine the importance of good quality safety gear. In this investigative lesson, students will tests various polymers, collect data, and analyze the data to determine which polymer is best for safety helmets. They will design a...
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Bird Eggs
Young scholars perform an experiment with different types of bird eggs to determine what factors make them strong and able to stay on a cliff without rolling off.
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Kelvin Temperatures and Very Cold Things!
In this Kelvin temperature scale learning exercise, students solve 6 problems using the equations for the conversion of Centigrade to Fahrenheit and Kelvin to Centigrade. They convert between Fahrenheit and Kelvins and Centigrade and...
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Who Wants to Carry a Million?
Students, in groups, determine the volume of a box large enough to hold a million dollars. They calculate the dimensions of a bill and the volume of the money.
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Science Safety is Elementary
Third graders are introduced to the importance of science safety. As a class, they role play through different safety procedures and decide which senses need to be protected for different scenerios. They discuss how to avoid hazardous...
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Virtual Earthquake
Students visit a website that features online interactive geology and biology simulations. They observe and estimate the amplitude of the largest wave and transfer the information to a nomogram. Based on the nomogram students will...
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Betweenness and the Sum of Parts
High schoolers differentiate lines and angles using betweenness in this geometry lesson plan. They differentiate angles and lines using Cabri Jr. and analyze the data and make conjecture.
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A Heated Discussion
Students compare the colloquial definition of temperature with the scientific definition. They, in groups, then explore the changes of water under different temperatures and calculate and compare their findings on three different...
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Human Anatomy- How Do We Move?
Students explore the human anatomy. In this respiratory system instructional activity, students conduct an experiment to simulate the capacity of human lungs.
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Is There Water on Mars?
Young scholars decide whether or not there is or has even been water on Mars. They analyze temperature and pressure data from the Pathfinder mission to Mars, and then they analyze images of Mars, interpreting the landforms they see and...