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View from a balcony: In Northern and coastal Vietnam: Waterway settlements and Chinese influences, page 22; Even in apartments with automatic washing machines, drying is done without machines because clothes dry rapidly outdoors in the tropics. The young woman and girl here are calling down from an apartment balcony in Ho Chi Minh City's Chinatown.; By Lorraine Aragon.

Studying simple machines with Rube Goldberg: Using a copy of a Rube Goldberg cartoon, show how the famous cartoonist drew weird and wacky machines to complete a simple task. Students will develop their own Rube Goldberg-type cartoon, using five types of simple machines, to accomplish their selected feat.; Format: lesson plan (grade 7 Science); By Cynthia Corley.

Forces, Motion, and Simple Machines: Investigate forces and motion in technological designs, including friction, forces, inertia, simple machines, and gravity.; Format: bibliography/help

Introducing simple machines: A machine walk: This is an integrated lesson exploring simple machines. The poetry response part of this lesson serves to spark the students' interest as well as allow the teacher to identify students' prior knowledge of machine concepts and vocabulary. The machine walk gives a baseline assessment of students' understanding. The majority of students originally focus on complex machines; this will be evident by the types of machines they identify on their list.; Format: lesson plan (grade 4 English Language Arts); By Terri Fannin.

Building a catapult: In CareerStart lessons: Grade seven, page 3.7; In this lesson for grade seven, students review simple machines and explore how they're used in various careers. Students work in groups to design, construct, and test catapults.; Format: lesson plan (grade 7 Science); By Emma Couch.Adapted by Mitzi Talbert.

Two young spinners in Catawba Cotton Mills.: In this sepia photograph taken in December of 1908, a young girl with her hair pulled back is seen standing at a spinning machine in a textile mill.There is cotton lint on the wooden floor boards under the machines. Two women can be seen working at the spinning...; Format: image/photograph

Simple: Now compound (post-visit): This lesson focuses on the process of combining two or more simple machines to form a compound machine. It is the third in a sequence of lessons on machines. The others are Lesson 1: Let's make it simple (pre-visit) and Lesson 2: Make it simple: Now find it(museum visit).; Format: lesson plan (grade 5 Science); By Becky Robinson.

From field to bowl: In Rice farming and rural life in Vietnam, page 11; Harvested rice grains generally are stored in their husks until needed for food. At that time, the husks must be removed either in large stone or wood mortars with pestles wielded by farmers, or by the kind of mechanical threshing machine seen here. Such machines...; By Lorraine Aragon.

Let's make it simple (pre-visit): This lesson focuses on the student's ability to recognize objects in nature that could become tools to make work easier (simple machines). It is the first in a series of three lessons, the others being Lesson 2: Make it simple: Now find it (museum visit) and Lesson 3: Simple: Now compound (post-visit).; Format: lesson plan (grade 5 Science); By Becky Robinson.

Solving problems using simple machines: This lesson uses the familiar story of the three pigs and the big bad wolf to explore how the wolf could have used simple machines to catch the three pigs. By reading, analyzing, and evaluating the wolf's use of simple machines in The 3 Pigs and the Scientific Wolf by Mary Fetzer, the students will design and justify their own machine to help the wolf catch those pigs!; Format: lesson plan (grade 5 English Language Arts, English Language Development, and Science); By Allison Buckner and Maria Tanner.

Inventions in the tobacco industry: In North Carolina in the New South, page 3.6; Several inventions made the tobacco industry so highly profitable in the late nineteenth century, including machines for tying strings on bags and for rolling cigarettes.; Format: bibliography

Denton Farmpark: Only open to the public three times a year, the Denton Farmpark takes students back to yesteryear with exhibits showing farming tools and techniques of the past.; Format: article/field trip opportunity

Grimes Mill: Located at 600 North Church Street in Salisbury, this is the only roller mill museum in North Carolina.; Format: article/field trip opportunity

Woman and girl with laundry on balcony in Ho Chi Minh City's Chinatown: A young woman and girl call down from an apartment balcony in Ho Chi Minh City's Chinatown. The young woman on the left holds clothing that she is hanging or removing from the laundry pole and hangers overhead. In many urban apartments throughout Southeast...; Format: image/photograph

Milling machine that removes husks from rice grains: A milling machine is set up to remove husks from rice grains. When operating, rice poured in at the top will emerge from the shoot at the bottom and drop into the black bucket. Formerly, throughout Southeast Asia, husks were removed from rice grains by pounding...; Format: image/photograph

Clays of the Piedmont: Origins, recovery, and use: A “virtual field trip” through the North Carolina Piedmont and thousands of years of history explains the origin of Piedmont clays and how clay is made into pottery. With high-resolution photographs.; Format: slideshow (multiple pages)

Wedge: Photograph of a metal wedge, a tool used for splitting or separating objects.; Format: image/photograph

The Bonsack machine and labor unrest: In North Carolina in the New South, page 3.7; When the Duke tobacco company adopted the Bonsack machine for rolling cigarettes, workers who had rolled cigarettes by hand were thrown out of work, and their replacements made less money.; Format: article

Assembly line: At the New United Motors vehicle assembly plant in Fremont, California, workers and machines build cars on an assembly line.; Format: image/photograph

Gears: This photograph shows three gears that work together as a simple machine to open a garage door. A chain is looped over the bottom gear and goes down to another gear that is not visible in the picture.; Format: image/photograph

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