A comprehensive guide for learning all about measuring weight with definitions, units of measurement, and conversion.

This online conversion calculator will convert among different units of weight or mass.

Explore the societal stigma that accompanies people who are overweight, and research current medical thinking on "ideal weight." Identify how the perception of body image can lead to eating disorders.

This site examines the specific difference between mass and weight in addition to length, temperature, and time.

Explains how to set up a weighted voting system for someone organizing an election. Users input their voter list into Election Buddy to set up their system. There is a free trial of the site, but it remains free for a list of fewer than...

Explore the social, cultural and dietary factors that have led to an increasingly obese American public. Examine how the medical and diet industries have responded to consumers' desire to lose weight, and evaluate the myriad of diets...

By the end of this section, you will be able to define pressure in terms of weight, explain the variation of pressure with depth in a fluid, and calculate density given pressure and altitude.

A PDF explaining and giving examples to show how the expected value of a random variable indicates its weighted average.

The effects of forces exerted on an airplane wing are discussed both conceptually and mathematically. Illustrations and sample problems and solutions are provided.

An equation for the law of universal gravitation is stated. The weight equation (W=m*g) is related to the law. An interactive JavaScript form allows the user to practice determining the force of gravity and the acceleration of gravity...

Students will make paper rockets, parachutes, and foam gliders to experience how objects move through the air. Explore topics such as thrust, weight, gravity, force, and lift through fun activities and stories and cutting-edge work done...

By the end of this section, you will be able to define normal and tension forces, apply Newton's laws of motion to solve problems involving a variety of forces, and use trigonometric identities to resolve weight into components.

Excellent information is provided on the painted turtle's appearance, weight, migration, food sources, predators and breeding. Research questions provide the answers to many common questions such as how long they live.

Students will use their knowledge of measurable attributes (length, weight, capacity) to compare two or more objects using one measurable trait or more than two measurable traits to compare if the objects have more, less, or equal...

Site provides a picture and brief description of this type of loom which dates back to 7000 BCE. "From the beginning of Western history until the Middle Ages, the main weaving tool was this type of loom."

This site discusses safe weight training practices, such as working out with a partner and using safe equipment.

Students will learn the concept of weight by practicing weighing items on a balance scale and recording their results. Students can record their answers on the black line masters included in the Illustrated Mathematics instructional...

The CDC provides a collection of information on obesity and the concerns that come with it.

On this interactive site students learn to use various units of mass to solve problems and put objects in order by their mass.

In this lesson, young scholars use previous knowledge about friction to formulate hypotheses concerning the effects of weight and contact area on the amount of friction between two surfaces. In the Associated Activities (Does Weight...

A "President's First 100 Days" has become a barometer by which to measure the success of the rest of his term. George Washington had the added weight of launching our new nation in his first 100 days. Use this interactive timeline to see...

By the end of this section, you will be able to define net force, external force, and system; understand Newton's second law of motion; and apply Newton's second law to determine the weight of an object.

The concern over obesity in children in the United States is staggering. This site provides research and statistics along with suggesting ways to change the epidemic. Includes video.

Students work in teams to fill jars with a product that is uniform in weight or count. Lesson investigates how manufacturing engineers use weight scales and measurement to develop systems that can create consistent products.