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Energy In Perspective Laboratory #11: Radiation, Robert Fuller

ADAPT Lessons: Physics

EXPERIMENTS
A) 1st Expt. Distance
1) Plot corrected counts/minute vs corrected distance.
2) Find the mathematical relationship from the graph.
3) Does doubling the distance cut the count rate in half? Check this mathematically.
4) Give a physical explanation of your results.
B) 2nd Expt. Shielding
1) Comment on the absorption of the various objects used in part A. Include count rates.
2) Plot corrected counts/minute vs shielding thickness for paper, aluminum, and lead. Make 1 graph with 3 plots.
3) Find mathematical relationships for each plot and label it clearly.
4) Which material shields the best? Why do you …

Energy In Perspective Laboratory #10: Investigations In Optics, Robert Fuller

ADAPT Lessons: Physics

1. In an old-fashion film-developing device, it is common to use an aperture to control the exposure area of a film. The following diagram is a simplified version. There is a point light source on the left side of the diagram. We place an opaque plate with a 1 cm square hole in its center and 10 cm away from the light source. Then we place a screen 20 cm away from the light source. The plate and the screen are facing the light source and all these objects are arranged in a straight line.

2. This Halloween picture was …

Energy In Perspective Laboratory #9: A Variety Of Physical Systems, Or Determining Relationships For Four (Yes, 4) Experiments, Robert G. Fuller

ADAPT Lessons: Physics

Your task will be to collect data from a variety of physical systems and find the relationships between the manipulated (independent) and responding (dependent) variables using a graphical method. You now know two different ways of analyzing data using two different graphs, either Cartesian or log-log. It will be up to you to decide which to use. Remember: contrastive features, range of variation, and distribution in larger contexts are all necessary to be able to understand something. In physics language that means explore as wide a range of the manipulated variables as seems reasonable. In fact, every physical system is …

Energy In Perspective Laboratory #4: Finding Relationships, Robert G. Fuller

ADAPT Lessons: Physics

A group of ADAPT students took the Starship Enterprise to the planet Kunzonia. When they arrived, they felt funny. Their heads seemed light and their feet seemed heavy. To try to understand the force of gravity on this planet, they made a simple swinging device fashioned from equipment on the starship. It was a flat bar with a pivot at the top and three equally-spaced holes along its length. Using masses of 200gm, 400gm, and 600gm (which could be attached in the holes) a meter stick, and a timer, the students let the bar swing to and fro and made …

Energy In Perspective Laboratory #7: Predictability, Measurements & Uncertainties, Robert G. Fuller

ADAPT Lessons: Physics

Not all repeated measurements of the same physical quantity will give the same numerical value. Consider the following case:
Two groups, morning and afternoon, of students went out on campus and made repeated determinations of the height of Hamilton Hall and Mueller Tower. The six morning teams made a total of 18 different determinations on the height of each structure. The eight afternoon teams obtained 24 values. Shown below:
1. List a variety of ways you can determine a "best" value for each height.
2. Select a method and do it for each height.
3. What is a value for …

A Semester Of Physics Laboratories By A Variety Of Physicists

ADAPT Lessons: Physics

The ADAPT Program for college freshmen was offered at the University of Nebraska Lincoln from 1975 to 1997. The program always included two semesters of three credit hours of physics. The fall semester of laboratories is given in this pdf file. The physics topics were arranged to develop more and more advanced reasoning and data analysis skills, from linear functions to power law functions to exponential functions. These analysis skills required the students to master Cartesian graphs, log-log graphs and semi-log graphs. All of these laboratories were organized according to the Robert Karplus learning cycle. Near the end of the …

Energy In Perspective Laboratory #8: Finding More Of Nature's Rules, Or Not Everything In The World Is Described By A Straight Line!, Robert G. Fuller

ADAPT Lessons: Physics

Using x as the independent variable, draw one graph plotting: x vs A, x vs B, and x vs C. For each plot, connect the corresponding points with a smooth, best fit line or curve. (One graph of a data set by each person in your group is sufficient for now.)

The mental power of a linear relationship is our ability to use it to predict behaviors that we have not measured! So far we have used Cartesian (named for French mathematician René Descartes) graphs (see lab #3). Most of our labs have consisted of taking data, plotting the …

Energy In Perspective Laboratory #6: Induction -- Guessing A General Relationship From Specific Numerical Data, Robert G. Fuller

ADAPT Lessons: Physics

Exploration Activity
An ADAPT student used a mechanical device to lift some heavy load. She recorded the following results:
Effort She Exerted Load She Lifted
10 lb. 410 lb.
22 lb. 520 lb.
33 lb. 620 lb.
45 lb. 730 lb.
60 lb. 860 lb.
77 lb. 1000 lb.
97 lb. 1200 lb.

1) Describe a method by which the student could determine the GENERAL relationship between the load she lifted and the effort she exerted. Is there more than one way that she could do it?
2) Decide on a method for your group. Use it to determine the …

Energy In Perspective Laboratory #5: Working With Triangles, Robert Fuller

ADAPT Lessons: Physics

Dear ADAPT Students,
We think that these plane figures can be organized into groups that share common properties. We went to Pythagoras but he died before he could tell us much. His last words were,
"Take measurements and focus on ratios..."
Beside his death bed we found 27 different pieces of cardboard cut into a variety of right triangles of various sizes and shapes. Please put the triangles into different groups that display at least two common characteristics and be prepared to explain to your instructor how you did it. You may wish to make a table of your measurements …

Ec88-219 1988 Nebraska Swine Report, Steven M. Neal, Rodger K. Johnson, Roger J. Kittok, Colleen Kelly, Greg Bussler, Franklin Eldridge, Julie Farver-Koenig, Dwane Zimmerman, Donald G. Levis, J.J. Ford, R. K. Christenson, Murray Danielson, J.B. Morgan, Chris R. Calkins, Roger W. Mandigo, M. .. Brumm, David P. Shelton, Larry Bitney, Duane E. Reese, E.R. Peo Jr., J.D. Hancock, A. J. Lewis, William Ahlschwede, Daniel A. Burosh

University of Nebraska-Lincoln Extension: Historical Materials

This 1988 Nebraska Swine Report was prepared by the staff in Animal Science and cooperating departments for use in the Extension and Teaching programs at the University of Nebraska-Lincoln. Authors from the following areas contributed to this publication: Swine Nutrition, swine diseases, pathology, economics, engineering, swine breeding, meats, agronomy, and diagnostic laboratory. It covers the following areas: breeding, disease control, feeding, nutrition, economics, housing and meats.

G88-890 Pythium Blight Of Turfgrass, John E. Watkins, Robert C. Shearman

University of Nebraska-Lincoln Extension: Historical Materials

Causes, symptoms and treatment for pythium blight are covered here.

Pythium blight, sometimes called "grease spot" or "cottony blight," is no longer a disease of golf courses; it also is a serious problem in home lawns and other turfs. Caused by several species of Pythium fungi, the two most commonly associated with Pythium blight are Pythium aphanidermatum and P. graminicola. These fungi are in a group known as "the water molds," a group that includes Phytophthora and other pathogenic genera. They are referred to as "water molds" because they function best under wet, saturated soil conditions.

The Pythium species …

G88-879 Peafowl, Earl W. Gleaves

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide discusses the care and feeding of the colorful and ornamental peafowl.

The peafowl is an ornamental bird which is often grown to adorn farmsteads, private estates or public parks and zoological gardens. They enjoy living in the open and prefer to roost in trees. The roosting place should be arranged some distance from dwellings because peafowl are inclined to be noisy, especially at night.

G88-874 Management Tips For Round Bale Hay Harvesting, Moving, And Storage, John A. Smith, Robert D. Grisso, Kenneth Von Bargen, Bruce Anderson

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide discusses management of hay harvesting with a large round baler. Specific management practices are necessary to maintain hay quality and minimize hay loss during harvest, transportation and storage of large round bales.

Large round bale packaging systems allow one person to harvest, store and feed large quantities of hay for small as well as large acreages. Good management is required to maximize effectiveness. Losses in baling, transportation and storage of large round bales can far exceed the losses of rectangular bales unless the large round bale system is properly managed.

Heg88-240 Sewing With Denim, Rose Marie Tondl

University of Nebraska-Lincoln Extension: Historical Materials

Selecting, preparing, interfacing and lining denim, as well as denim sewing techniques, are covered in this guide.

Denim is popular all over the world. Jeans made of denim are worn by millions of people. The term denim is derived from the French "serge de Nimes," a twilled fabric made in Nimes, France. It was used as "sail" cloth for ships crossing the Atlantic Ocean.

Heg88-237 Sewing With Stripes, Rose Marie Tondl

University of Nebraska-Lincoln Extension: Historical Materials

Sewing with stripes is easier when you know what pitfalls to avoid. This Guide covers pattern selection, yardage requirements, stripe strategies and more.

Any way you line them up, stripes make a striking fashion statement. You can be as bold or as subtle as you like with stripes. Nothing gives a garment less appeal than stripes that do not meet and match at seams.

G88-863 Annual Broadleaf Weed Control In Winter Wheat (Revised January 1990), Gail A. Wicks, Robert N. Klein, Alex Martin

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide discusses preventive, cultural, and chemical weed control in winter wheat. Best weed control is obtained by using a combination of these three methods. Winter and summer annual broadleaf weeds are economically important pests of Nebraska winter wheat. They reduce grain yields by competing with winter wheat for water, light and nutrients. Weeds are estimated to reduce Nebraska winter wheat yields 10 percent each year.

Ec88-785 Traffic Emergencies ... Prepare For Them!, Rollin D. Schnieder

University of Nebraska-Lincoln Extension: Historical Materials

So you're taking a trip. How far? To town, to the fair or to a football game? Perhaps it's a vacation trip of hundreds of miles. Whatever the distance, prepareation is important.

This circular discusses the things that you should know and have for your trip. Your credentials and equipment should be up-to-date at all times so if you have to leave for a long trip on a moment's notice you will be ready.

Ec88-422 Household Cleaning And Laundry Products: Which One For The Job?, Shirley Niemeyer, Kathleen Parrott, Rose Marie Tondl, Anna Marie White, Carol Thayer

University of Nebraska-Lincoln Extension: Historical Materials

Nebraskans invest considerable resources in their homes and furnishings, and in clothing. We want these items to be attractive, functional, and to give us good service. A key to protecting our household investment is to give our homes, furnishings, and clothing appropriate care and maintenance. This circular discusses the various options in home cleaning and laundry products, methods and equipment, chemicals to remove soil and stains, and labor and time saving products to make the job of cleaning our homes easier.

Ec88-729 Irrigation Pumping Plant Alternatives, Richard T. Clark, Norman L. Klocke

University of Nebraska-Lincoln Extension: Historical Materials

Irrigation pumping costs depend on the requirements of the individual pumping plant. Energy use is the major component of pump operating costs. Pumping efficiency, pumping lift, water pressure and the amount of water delivered all influence the energy required to operate the pumping plant.

This extension circular contains information for irrigators on how to use a computerized spreadsheet developed in 1988 to calculate irrigation pumping costs and savings.

G88-865 Fine Tuning A Sprayer Wih The "Ounce" Calibration Method, Robert Grisso, Robert N. Klein

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide discusses guidelines to quickly evaluate the performance of a sprayer. Sprayer calibration, nozzle discharge and speed checks are evaluated with minimal calculations. Tractor-mounted, pull-type, pick-up mounted and self-propelled pesticide application equipment are available from numerous sources. pesticide costs, potential crop damage, unsatisfactory control and environmental concerns make correct application important. Proper calibration to ensure accurate application must be a primary management consideration for both farmers and custom applicators. Application equipment users also should know proper application methods, chemical effects on equipment and correct cleaning and storage procedures of liquid sprayers.

G88-876 Ridge Plant Systems: Equipment, Elbert C. Dickey, Paul J. Jasa, Robert N. Klein, Dean E. Eisenhauer, David P. Shelton, Bryn J. Dolesh, John A. Smith

University of Nebraska-Lincoln Extension: Historical Materials

Ridge plant systems, ridge cleaning equipment, planter stabilizing attachments, cultivation and ridge management are discussed here. Ridge plant systems are methods of planting crops into a ridge formed during cultivation of the previous crop. Such systems combine tillage and herbicides to control weeds. Weed seed and residue lying on the soil surface are pushed from the ridge to the area between the rows by row-cleaning devices on the planter. Crop seed is planted into the old row in a cleanly tilled strip at an elevation slightly higher than the row middles. A band application of herbicide behind the planter typically …

G88-884 Ecofarming: Selecting Corn And Grain Sorghum Hybrids, Planting Dates, And Planting Rates In A Winter Wheat--Row Crop--Fallow Rotation, Robert N. Klein, Gail A. Wicks, P. T. Nordquist

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide discusses selecting corn and sorghum hybrids, factors that affect yield, plant populations, and more. Treating winter wheat stubble with herbicides after harvest, and then planting corn or grain sorghum in the untilled stubble the next spring, is a practice used for over 15 years in many parts of the Central Great Plains. The residue protects the soil from wind and water erosion. This method of farming is one of the most effective soil and water conservation practices adapted in this century.

G88-875 Weed Control In Soybeans, Russell S. Moomaw, Robert N. Stougaard, Alex Martin, Fred Roeth, David Mortensen

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide provides information on mechanical and chemical weed control methods, including herbicides to use for preplant incorporated, preemergence and postemergence. Soybeans are a relatively easy crop to grow. Limited insect and disease problems presently are associated with their production in Nebraska. Weeds, however, are a major production problem. Each 100 pounds of weed growth results in a one bushel loss in soybean yield. Weeds that emerge with the crop and remain in the row are the strongest competitors. Those that emerge later than six weeks after planting have little effect on yield, so it is important to focus on …

G88-889 How To Apply Fertilizer To Wheat, D.N. Sander

University of Nebraska-Lincoln Extension: Historical Materials

Application time, forms of fertilizer and methods of application must be considered when applying fertilizer to wheat.

Several different methods can be used to apply fertilizers to wheat, depending on the form of fertilizer material. Producers must consider application time and method as well as the most economical forms of fertilizer and the most efficient methods of application.

Fertilizers are sold in three forms -- liquid, dry and gas. The effectiveness of the forms is essentially the same as long as the same amount of available nutrient is properly applied. The form of fertilizer may dictate the method of application.

Heg88-242 How Much Protein Are You Eating?, Harriet Kohn

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide contains information to help you estimate the protein level of one day's food intake or menu. The content pertains to people throughout life.

Protein:

Helps build and repair tissues

Forms part of enzymes and hormones

Supplies some energy

G88-881 Heating With Wood I. Species Characteristics And Volumes, Mike Kuhns, Tom Schmidt

University of Nebraska-Lincoln Extension: Historical Materials

Heat content, burning characteristics and overall quality of woods commonly burned in Nebraska, as well as information on buying firewood, are included here.

Wood is a source of heat currently used by many Nebraskans, and more firewood likely will be burned as the cost of other energy sources, such as gas and electricity, rises. In order to use firewood effectively, an understanding of species' characteristics and firewood volumes is needed.

G88-866 Christmas Tree Selection And Care, Mike Kuhns, Rollin Schnieder

University of Nebraska-Lincoln Extension: Historical Materials

This guide discusses types of trees, tree species, cut tree care, offers tips on decorating trees, considers tree disposal and laws governing the display of Christmas trees, and suggests a proper type of tree stand.

Introduction

Christmas trees have been a tradition in the United States since the Revolutionary War, when homesick Hessian soldiers decorated fir trees as was their custom in Germany. Since then the custom has spread. It is now difficult for many people to imagine Christmas without the Christmas tree tradition.

To insure a safe and happy holiday, you need to know a few things about selecting …

Heg88-231 Carpet Selection: General, Shirley Niemeyer

University of Nebraska-Lincoln Extension: Historical Materials

Carpet cost, installation and measuring are discussed here, along with labels and special considerations for carpet buyers.

Carpet can be one of the largest furnishing expenses you have, so carefully examine the possibilities before making a purchasing decision. Considerations in purchasing carpet include cost, installation, measurements, labeling, color, traffic or activity level, acoustics and energy.

G88-869 Daylilies, Debra Schwarze

University of Nebraska-Lincoln Extension: Historical Materials

This guide offers hints on growing daylilies, discusses site selection, varieties, propagation and planting and plant culture.

Daylilies, members of the Liliaceae (lily family), are some of the most tolerant and popular of the garden perennials. Their range in size, color, and use means that there is a daylily for almost everyone.

Like their name Hemerocallis, "beauty for a day", the individual daylily flower lasts only one day. However, a single plant may produce over 50 flowers. This large number of flowers can extend the blooming period of a plant for several weeks. With over 10,000 cultivars available and with …

G88-868 Forcing Flowering Branches, Debra Schwarze

University of Nebraska-Lincoln Extension: Historical Materials

This guide explains the procedure for forcing flowering branches, discusses the use of flowering branches in decorating or display and provides a chart of plant type, color, cutting and forcing times.

Introduction

Branches from flowering trees and shrubs can be forced into bloom easily and inexpensively. Flowering branches can bring the outdoors inside and add color during a long winter. These branches also give the floral designer some unique and inexpensive alternatives.

Trees and shrubs which bloom early in the spring form flower buds the previous fall before dormancy. After at least 8 weeks of cold weather (under 40° F) …