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Lesson Plan
Curated OER

Signs of Change: Tree Rings

For Teachers 4th - 8th
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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Lesson Plan
Curated OER

Multi-dimensional Modeling of Ore Bodies Making Sense of Empirical Data

For Teachers 9th - 12th
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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PPT
Curated OER

Tree Cookies!

For Teachers 5th - 8th
"Tree Cookies!" is a delicious little presentation designed to introduce upper elementary or middle school botanists to the anatomy of a tree trunk. The cambium, phloem, xylem, and other vital structures are identified and defined. Two...
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Lesson Plan
Curated OER

Cross Sections

For Teachers 6th - 10th
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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Lesson Plan
Curated OER

Tree Friends

For Teachers 2nd - 5th
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...
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Lesson Plan
Curated OER

3D Computer Imaging Class: Cross-Section Lesson

For Teachers 9th - 12th
Students use 3-dimensional materials to create a simple 3-D object. They think about different ways the object could be sliced. Students choose one way to slice the object, and draw the sliced shape on paper or computer. Using a 3-D...
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Interactive
Curated OER

Surface Area of Prism

For Students 10th
Tenth graders are provided instructions, including a video, on calculating the surface area of a prism. The one-page interactive worksheet contains two worked questions. Answers are included. 
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Worksheet
Curated OER

Challenge Sheet 7: Area and Cross-Sections

For Students Higher Ed
In this area worksheet, students set up integrals which evaluate the area of a region bounded by graphs. they use vertical and horizontal cross-sections. This two-page worksheet contains seven multi-step problems.
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Lesson Plan
Curated OER

Tree Friends

For Teachers 2nd - 5th
Students are introduced to tree structure and use. They identify their special tree using all senses except sight. Students identify six different internal parts within a cross section of tree trunk (bark, phloem, xylem, cambium,...