National Earth Science Teachers Association
Windows to the Universe: Volcano Formation
Explanation of the factors that result in the formation of volcanoes, some basic but helpful animations and photographs.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Faq, Geometric Figures
This page brings you to a table of contents of three-dimensional figures. Selecting a figure will bring you to a page defining and illustrating the figure with applicable formulas listed.
Texas Education Agency
Texas Gateway: Determining the Surface Area of Cones and Cylinders
Given a problem involving cones or cylinders, the student will find the surface area using appropriate units of measure.
Texas Education Agency
Texas Gateway: Determining the Volume of Cones and Cylinders
Given a problem involving cones or cylinders, the student will find the volume using appropriate units of measure.
Math Open Reference
Math Open Reference: Solid Geometry
A complete reference guide to solid geometry. The mathematics resource provides definitions and interactive activities that enhance further explanation.
Alabama Learning Exchange
Alex: Searching Solid Shapes
Lesson introducing the basic three-dimensional shapes (sphere, cylinder, cone, cube). Common items with those shapes are hidden on the playground for young scholars to find and photograph. Pictures are then used to create a photostory....
Cuemath
Cuemath: Solid Shapes
Explore the world of solid shapes in this mini-lesson. Provides a definition, interactive examples, and interesting practice questions that help with understanding.
Cuemath
Cuemath: 3 D Shapes
Introduces the concept of 3D shapes by learning the definition, types, properties, and three dimensions. Check-out the solved examples for better understanding and try your hand at solving a few interactive questions at the end of the page.
Cuemath
Cuemath: Cone
Learn all about the basic properties of a cone. This lesson targets the formula, volume, parts, and shapes of a cone and has interesting solved examples and practice questions.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Area of a Cone
This question and answer site is about finding the area of a cone when the height and the angle at the convergence point are given. The site goes on to explain how a cone relates to a circle.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Conic Sections and Parallel Li
This question and answer site from Dr. Math at the Math Forum looks at the situation of cutting a cone with a plane to get parallel lines. Can this be done?
University of Washington
Neuroscience for Kids: The Retina
A not-too-complicated explanation of vision and rods and cones.
Wolfram Research
Wolfram Math World: Cone
This site from MathWorld describes characteristics of cones, names of various special cones, equations for a cone and many other equations relative to a cone. [Requires Java.]
Other
Calculating the Surface Area of a Cone
This site explains a method for finding the surface area of a cone. It has several plane geometry formulas.
Math Is Fun
Math Is Fun: Mathopolis: Volume of Cones
Practice answering quiz questions that review the volume of cones.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Areas De Cuerpos Geometricos
In Spanish. Interactive resources and activities that could be used in the classroom either as an introduction or review to a unit dealing with the area of three dimensional figures.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Volumenes De Cuerpos Geometricos
In Spanish. Interactive resources and activities that could be used in the classroom either as an introduction or review to a unit dealing with the volume of three dimensional figures.
Sophia Learning
Sophia: Finding a Formula for the Surface Area of a Cone.: Lesson 4
This lesson explains how to write a formula for the surface area of a cone. It is 4 of 5 in the series titled "Finding a Formula for the Surface Area of a Cone.."
Sophia Learning
Sophia: Finding a Formula for the Surface Area of a Cone: Lesson 6
This lesson explains how to write a formula for the surface area of a cone.
CK-12 Foundation
Ck 12: Geometry: Classification of Solid Figures
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn to classify solid figures. Students examine guided notes, review guided practice, watch instructional videos and attempt practice...
CK-12 Foundation
Ck 12: Geometry: Classification of Solid Figures
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn to classify solid figures by using faces, edges and vertices. Students examine guided notes, review guided practice, watch...
CK-12 Foundation
Ck 12: Geometry: Classification of Solid Figures
[Free Registration/Login may be required to access all resource tools.] In this lesson students classify different types of solid figures. Students examine guided notes, review guided practice, watch instructional videos and attempt...
CK-12 Foundation
Ck 12: Geometry: Surface Area and Volume of Cones
[Free Registration/Login may be required to access all resource tools.] Find the surface area of cones by using formuals
Math Open Reference
Math Open Reference: Cone
Use this interactive tool to explore cones. Change the height and the radius to see how these affect the cone. There is also the option of making an oblique cone. Properties of a cone are discussed, how to use formulas to calculate the...