Curated OER
Tree Cookies
You will find a viewer-friendly PowerPoint on the growth rings and other features found in a cross-section of a tree trunk, affectionately known as a "tree cookie." A few worksheets are provided for practice counting tree rings and a...
Curated OER
Forestry and Forestry Products
High school and college learners identify forestry career opportunities. They identify the parts of a tree cross-section and trees based on their leaves and characteristics. Pupils calculate board feet and explain safe methods of...
Curated OER
Contour and Cross-Section Skills
In this geography worksheet, learners identify the Wolf Creek Crater and how it was formed. They examine a contour map given of how the crater would look from above. Then, pupils use a ruler to draw lines as on the graph to the side....
Curated OER
Basin & Range Faulting
Students identify that the crust of the earth is constantly moving and that with the exception of faults accompanied by earthquakes, this rate of movement is far too slow to notice. Then they print a copy of cross-section map A and...
Curated OER
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.
CK-12 Foundation
Ck 12: Geometry: Cross Sections and Nets
[Free Registration/Login may be required to access all resource tools.] This concept teaches students two ways to represent three dimensions in two dimensions: cross-sections and nets. Students examine guided notes, review guided...
University of Illinois
University of Illinois Urbana Champaign: Chickscope Eggmath: The Shape of an Egg
An interactive page offering a view of a rotating egg, information on rotational symmetry, and definitions of related topics.
Curated OER
Sliced Egg
An interactive page offering a view of a rotating egg, information on rotational symmetry, and definitions of related topics.