Curated OER
Cross Sections
Young visual learners explore different cross sections of 3-dimensional objects. First, cross sections of cubes are explored by using an interactive flash activity. This is then extended by looking at cross sections of spheres,...
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Ordering Geologic Events using Cross-Sections
Young scholars analyze geologic cross-sections. Students observe proper use of SMART Board technology. They examine cross-sections and order the geologic events. Young scholars describe the environments in which the cross-section formed.
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Multi-dimensional Modeling of Ore Bodies Making Sense of Empirical Data
Math scholars identify four different rock types in that strata and use this identification and data to construct a two dimensional geologic cross-section. They use data tables to construct a three-dimensional geologic cross-section.
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Discovering Conic Sections in the Motion of Heavenly Bodies
Math scholars study conics and how they are used today. In this mathematical lesson, pupils construct and slice cones after viewing a demonstration.
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Tree Friends
Students identify their special tree using all senses other than sight. They identify six different internal parts within a cross section of tree trunk
(bark, phloem, xylem, cambium, heartwood, and roots). Students compare and contrast...
Mathematics Vision Project
Module 5: Modeling with Geometry
Solids come in many shapes and sizes. Using geometry, scholars create two-dimensional cross-sections of various three-dimensional objects. They develop the lesson further by finding the volume of solids. The module then shifts to finding...
Curated OER
Signs of Change: Tree Rings
Students identify and experiment with dendrochronology (the study of tree rings to answer ecological questions about the recent past) and come up with conclusions as to what possible climatic conditions might affect tree growth in their...
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Cross Section and Slope
Students draw cross sections of given contour maps. In this math lesson, students interpret the different symbols used in the map. They determine slope and steepness through direct measurement.
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Science Lesson for Grade 12
Twelfth graders perform dihybrid crosses and calculate phenotype and genotype ratios. In this series of science lessons, 12th graders explain the process of anodizing aluminum. They research on the benefits and harm caused by resonance...
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Air Resistance and Friction
Physics learners experiment with three laboratory activities to learn about air resistance and friction. First, they use a hair dryer to move different sized spheres to determine the relationship between cross-sectional area and air...
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Chopping Cubes
Middle schoolers work in small groups to make various geometric solids with Play-Doh. They use fishing line to make cuts and observe the shapes of the cross-sections. Pupils complete an assessment in which they answer questions such as:...
Curated OER
Ordering Geologic Events Using Cross-Sections
Learners analyze cross-sections of geologic events. In this geology lesson, students identify the type of environment where the cross-section come from. They take a quiz at the end of the lesson.
Growing Minds
Growing Minds: Cabbage Exploration
It's all about cabbage in this scientific observation resource! After reading a related story, learners explore three varieties of cabbage. They observe the leaves using a leaf diagram, predicting what the middle might look like. They...
Mathematics Assessment Project
Fearless Frames
Show class members how to connect algebra to geometry. A high school assessment task has pupils determine volumes of two different containers given limitations on material for box frames. Pupils then write a paragraph on advice people...
EngageNY
Systems of Equations
What do you get when you cross a circle and a line? One, two, or maybe no solutions! Teach learners to find solutions of quadratic and linear systems. Connect the visual representation of the graph to the abstract algebraic methods.
Curated OER
Floodplains in the Field
Students measure a topographic and geologic cross-section across a floodplain using simple surveying and auguring techniques in a field lab. Students also reconstruct the history of a river system.
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Transportation System of a Tree
Students examine the transportation system of a tree and the speed with which nutrients and water move. Cross sections of the samples used are examined in class for experimental results.
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Solids of Revolution - Disks
Young mathematicians solve the volume using the disk method in this calculus lesson. They revolve a graph around the x-axis and calculate the volume. They use the TI to see the revolving around the x-axis and create a virtual cross...
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Biology: Sun, Skin and Cancer
Students identify basic components of skin on a cross sectional diagram. They provide a basic description of cancer in terms of cell biology. Students explore the ABCD of skin cancer/mole evaluation and perform their own evaluation of...
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Gettysburg Rocks Recycle to Win
Eighth graders use a geologic cross section to study the rock cycle of the Gettysburg battlefield. In this rock cycle lesson plan, 8th graders connect the rock cycle and continental rifting.
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Bog Science
Students study bogs. They tour, collect physical, chemical, and biological data and analyze a pristine bog community. Using the data, they draw a map and a cross section of the bog.
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Stereotypes and Cross-Cultural Understanding
Learners are introduced to the topic of stereotypes. After reading an article, they complete a chart filling out the appropriate sections. They participate in a class discussion about how to eliminate as many stereotypes as they are...
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Trees: Recorders of Climate Change
Students study cross sections of trees or tree "cookies" to discover how the rings on tree sections give clues to the climate during the time the ring was produced. They study simulated cross sections of trees to determine the climate...
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Geologic Mapping I
Students create a geologic map and cross-section of an area of horizontal sedimentary rocks, exposed in several locations. Map must include a complete key or legend with rock descriptions of the various formations.
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