Merriam-Webster
Merriam Webster: Dictionary Illustration: Cones of Pines and Other Conifers
Labeled illustration showing the cones of nine different conifers.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: "Da" I's Have It: A Fun Look at the Eye (Lesson)
Lesson plan includes various models, activities, and games that teach students basic information about the eye.
Shmoop University
Shmoop: Basic Geometry: 3 D Objects (Prisms, Cylinders, Cones, Spheres)
The geometry resource investigates three-dimensional objects. Objects include prisms, cylinders, cones, and spheres. Detailed examples and practice exercises are included.
BiologyWise
Biology Wise: Angiosperms and Gymnosperms
Explains the similarities and differences between angiosperms and gymnosperms and provides examples of each.
Math Open Reference
Math Open Reference: Oblique Versus Right Cones
Learn about oblique and right cones with this helpful reference tool. Provides a detailed definition and an interactive activity that enhances further explanation. Includes links to related topics.