From a chapter on Rotational Motion and Angular Momentum in a Physics textbook. This section of the chapter examines collisions of rotating objects in two dimensions and what happens at the point of collision. Includes examples,...

This site contains a description of four dimensions through an example of spacetime. The site discusses how to determine the dimensions of a vector space and much more. Links are provided for further discoveries and understandings.

This is a list of 21 questions focusing on the major concepts of each section of Chapter 3: Kinematics in Two Dimensions such as adding and subtracting vectors using different methods.

By the end of this section, you will be able to observe that motion in two dimensions consists of horizontal and vertical components and understand the independence of horizontal and vertical vectors in two-dimensional motion.

A decent explanation of the concept of time as the fourth dimension. The author discusses Einstein's theory of special relativity and the idea of space-time.

In order to better understand why your world is three dimensional, consider zero, one and two dimensions.

This site from Mathworld.com provides information on what the dimension of an object means.

Learners investigate motion in two dimensions. Some topics examined are two dimensional forces, gravity, and forces in three directions. The resource includes example problems with solutions and a chapter quiz.

An extensive discussion of vector addition with links to interactives and exercises.

Explore the forces at work when you try to push a filing cabinet. Create an applied force and see the resulting friction force and total force acting on the cabinet. Charts show the forces, position, velocity, and acceleration vs. time....

Use this simulation to see the results of applying a force to move an object. Analyze forces and friction using graphs.

[Free Registration/Login may be required to access all resource tools.] Students learn and apply the concept of conservation of momentum using action and reaction forces with classmates on skateboards.

Explore connections between a 2-dimensional net and a 3-dimensional box. Later in this section, use equations with variables to solve real world problems that use 2 and 3-dimensional objects.

The purpose of this instructional activity is to teach students about the three dimensional Cartesian coordinate system. It is important for structural engineers to be confident graphing in 3D in order to be able to describe locations in...

One piece of Play-Doh can make many different shapes. Even though you can change the shape by squishing or stretching the Play-Doh, it is still the same size unless you add or take away some of the dough. Try this experiment to test how...

This lesson offers an interesting, hands-on experience for middle school students studying cylinders. Students will create cylinders, and measure and compare their volumes.

When we use multimedia to develop and share student stories we foster self-expression. The added dimension of video provides a method for these students to display their creativity. This article features an educator's insight and tips in...

Students learn about the characteristics of fractals. The resource consists of a lesson plan, video, and interactive resource that explores fractals.

The learning resource discusses units, dimensions, and measures used in Chemistry. Some topics explored are dimension, symbols in metric units and symbols in English units. The activity consists of definitions and explanations.

Puppies prove to be a fun and useful aid in this adorable experiment! By having access to, and measuring a puppy's body dimensions over a period of weeks or months, you can discover if segments of canine anatomy develop at different...

Explore the dimensions of America's rich history by taking a detailed look at objects from our past. Examine stories, important moments, and the evolution of the American people via primary documents, photos, and other artifacts.

This site provides a free space simulation that lets you explore the universe in three dimensions. There is a forum for teachers and lesson plans that help enhance student use of the simulation. A program must be downloaded in order to...

The purpose of this activity is to use scaling in order to give students an idea of the size of Mars in relation to the Earth and the Moon as well as the distance between them. The students will have to calculate dimensions of the scaled...

Site offers "general dimensions, specifications, weight characteristics, and man hours required to build the aircraft." Also gives individual thumbnail images "of the technical preparation of the airplane."