Explore stretching just a single strand of DNA using optical tweezers or fluid flow. Experiment with the forces involved and measure the relationship between the stretched DNA length and the force required to keep it stretched.

At this site there are tips about warming up your hands before typing. The site shows you how to stretch and exercise your fingers. Includes helpful typing hints as you go through the exercises. Just click "Next Typing Exercise," at the...

In this practice exercise students use the program below to create an animation of a bouncing ball. See if you can get the ball to squash as it hits the ground and stretch as it bounces back.

In this activity, students investigate how a spring stretches when different weights pull on it. They relate the stretch of the spring directly to the weight and vice-versa.

Students determine the relationship between the stretch of a spring and the number of weights in a cup suspended from the spring. They find the Y-value of a function if the X-value is provided. They use technology to plot a set of...

This lesson provides students with the opportunity to explore the TI-84 graphing calculator in conjunction with Microsoft Excel. Students can use the "Stretching Slinkies" worksheet to record and enter data. They will either: enter data...

Students must find the value of the amount of stretch that will occur to a spring on another planet.

Includes rules, examples, and sample problems on 6 different types of translations; vertical and horizontal shift, stretch, and reflection. Uses six basic functions (x, x^2, x^3, 1/x, x^1/2, and abs(x)) throughout examples, which makes...

This module features a lesson plan for shapes. Teachers of thie lesson will engage their students in a game that requires the use of balance, movement, and "shape" mathematical concepts.

Kids learn about the windup and stretch pitching positions in baseball. What is the difference and when to use them.

Students use balloons (a polymer) to explore preconditioning a viscoelastic material behavior that is important to understand when designing biomedical devices. They improve their understanding of preconditioning by measuring the force...

This lab is designed to have students discover the relationship between the work that is done and the stretch of a spring. Students will get the area under a Force/Stretch graph to find the work given to a spring for a given situation....

This is a 7-problem quiz/practice bouncing a ball using the squash and stretch with Bezier curves.

Legend has it that Romulus and Remus -- twin brothers who were also demi-gods -- founded Rome on the River Tiber in 753 B.C. Over the next eight and a half centuries, it grew from a small town of pig farmers into a vast empire that...

Prior to 1948, Jewish communties were found discontinuously in an area stretching from southwest Asia across North Africa, from Tajikistan and Uzbekistan in the north to Yemen in the south, and from Afghanistan in the east to Morocco in...

This lesson plan is themed around Christmas, and teaching students about Christmas music.

This site includes a simple list of reasons why getting exercise is important for your physical and emotional well-being. Also, learn definitions and examples of aerobic activities, resistance activities, and stretching activities.

An image of "Yound Woman Leaning over a Woman Stretched out on the Ground", created by Eugene Delacroix, c. 1840 (Pen and wash, 105 x 175 mm).

Digital, cartoonish image of a stretching cat.

[Free Registration/Login Required] This unit gives children experience of forces including attraction and repulsion between magnets, compression and stretching of springs, and stretching of elastic bands. They learn that these forces...

Learn how to "make physical activity a part of the day." This brief article suggests incorporating simple and fun activities into your daily routine while at home, at work, and at play. Includes great tips for people of all ages.

Using calculators, students investigate quadratic functions using geometric toothpick designs in this lesson that with a review of transformations of quadratic functions, vertical and horizontal shifts, and stretches and shrinks.

A very detailed lesson plan that stretches over nine lessons that develop the students' understanding of why the Ludlow Massacre occurred and the ramifications of it. [pdf]

One of the smallest countries in West Africa, Togo is a long narrow country stretching up from the Gulf of Guinea to the savannahs of the Northwest. Choose from several topics to find out about the culture of Togo.