Science and Mathematics Education Commons^™

Our Weather, E. J. Cable

Science Bulletin

There is probably no subject which so fully occupies our attention or is of more significance to us than is the weather. It is also probably true that there is no subject about which the average individua l knows less. Superstition and ignorance run riot in the minds of those who know little about the cause of our weather. To the end that a little light may be shed in darkened minds where superstition plays havoc, the writer ventures this short article. The suggestion may give the teacher of general science a new urge to carry on along this line …

Nature Notes

Science Bulletin

There are many fallacies concerning nature that are commonly believed by many people. It is the duty of science to correct these fallacies and superstitions. Below are listed a few very common ones.

A Health Program, H. Earl Rath

Science Bulletin

Now that school is well started, suppose we stop and make an inventory of our health to see how well we are equipped to carry forward a successful year.

Mechanics Of Solids, L. Begeman

Science Bulletin

According to the traditional arrangement of subject matter in textbooks on high school physics, it is customary to introduce the treatment of mechanics of so-lids by beginning with the subject of motion, force, and Newton's laws of motion. This at once leads the immature student into a labyrinth of abstract conceptions that is generally disheartening. It would show better judgment on the part of the teacher to begin the subject of mechanics with material that is more concrete to the student and which is continually before him in his environment.

Last Year Science Bulletin Made Its Appearance

Science Bulletin

Last year Science Bulletin made its appearance. Your response was such that we feel encouraged to continue, and after one year's experience we should be able to make the bulletin more of a real service bulletin to the teachers in the field. We invite your suggestions and criticisms. While we all like commendations, yet we realize that unfavorable criticism is sometimes most helpful. Let us have your "brickbats" as well as your "bouquets."

Title - Masthead

Science Bulletin

A Service Bulletin for Teachers of High School Science.

The Use Of The Football Squad As Laboratory Material For Physiology, H. Earl Rath

Science Bulletin

As school is getting under way for the new school year, the teacher of physiology or hygiene is probably busily engaged in looking over the laboratory equipment to see what can be found to demonstrate the functioning of the human body. In all probability many instructors will decide that there is not enough material on hand to justify an attempt at demonstrations, while regular laboratory work will be considered out of the question.

Suggestive Procedure In Presenting A Course In Profitable Corn Production, Winfield Scott

Science Bulletin

Community Survey

1. How many acres of corn are grown on the home farm? 2. How many acres of corn grown on farms not represented in class? (This answer can be secured by assigning to each pupil a definite number of farms which are not represented in class) 3. What is the yield per acre of (a) the home farm? (b) the assigned farm? 4. What is the total yield on (a) the home farm? (b) the assigned farm?

Science Bulletin, Vol.2 No.1, September 1929 [Complete Issue]

Science Bulletin

A Service Bulletin for Teachers of High School Science.

Insects And Man, Roy L. Abbott

Science Bulletin

Mrs. Jiggs, in the cartoon, "Bringing up Father," frequently calls her husband an insect. This is a flagrant misuse of the term as an insect never has fewer nor more than six legs. It may be wingless as are the bedbugs, two winged as are all flies, or four winged as the grasshoppers, but no normal insect ever has more or less than six legs and by this one positive character you may know them.

Has Commercial Geography Been Left On Your Doorstep, Alison E. Aitchison

Science Bulletin

If one of the chief aims of a teacher is to induce her pupils to know and love a subject which she herself knows and loves, then commercial geography in many an Iowa high school is in a sorry plight. In cases too numerous to cite, the home econ- omics teacher, the mathematics teacher, the physics teacher, the English teacher, - in fact anyone who is so unfortunate as to have one period of the day unfilled by his or her own special subject, - Is likely to have that foundling child, commercial geography, left on the doorstep.

Anniversaries Of Science, O. B. Read

Science Bulletin

To know biography is to have a knowledge of history. By a study of the biography of our scientists we may secure a very satisfactory knowledge of the development of most scientific discoveries. The life and works of many of the noted scientists present a story of adventure and achievement which to the young may become a great inspiration.

Teachers' Courses

Science Bulletin

Special courses for teachers of science are offered at this college.

Molecular Forces, L. Begeman

Science Bulletin

The three states of matter denoted as solids, liquids and gases are different phenomena of matter arising from a change in the intensity of molecular attractions.

New-Type Tests In Agriculture, Winfield Scott

Science Bulletin

Modern methods of testing a pupil's knowledge have been applied successfully in the teaching of agriculture. The writer submits a few sample question sets as illustrative material.

Collecting Specimens At Night, Roy L. Abbott

Science Bulletin

Many teachers of biology don’t realize how much valuable biological material may be collected after dark. In fact, certain specimens, as grasshoppers, earthworms, and various species of amphibia, are most easily captured then.

Crystallization, L. Begeman

Science Bulletin

One of the most interesting molecular phenomena in nature is known as crystallization. It is brought about in the arts of man and in nature by three methods. When a chemical salt, such as table salt, is dissolved in water and allowed to stand in a shallow dish until it dries, it will be observed that the solid residue appears as crystals. Those from common table salt will be cubical in form. However, every different salt will yield its own distinctly shaped crystal.

Editorial

Science Bulletin

Nothing will more largely contribute to the teacher's peace of mind or to the pupils' efficiency than proper foresight for the fall. A two or three day incarceration in your empty and silent laboratory and classroom some time between the closing and reopening of school should represent a good investment. During this voluntary exile, put to yourself a few questions and motorize the answers.

Capillarity, L. Begeman

Science Bulletin

One of the best practical illustrations of the effect of surface tension is found in capillarity. For this topic the instructor will do well to base his teaching upon surface tension. It is this force that raises the water in a clean glass capillary tube and that depresses the mercury in such a tube.

Title - Masthead

Science Bulletin

A Service Bulletin for Teachers of High School Science.

Science Bulletin, Vol.1 No.7, May 1929 [Complete Issue]

Science Bulletin

A Service Bulletin for Teachers of High School Science.

Science Bulletin, Vol.1 No.6, April 1929 [Complete Issue]

Science Bulletin

A Service Bulletin for Teachers of High School Science.

A Plea For The Boys, Belva L. Swalwell

Science Bulletin

Have you ever raised the question why high school boys are not allowed, as a rule, to take courses of the type of Personal Hygiene, Home and Community Hygiene, First Aid, Home Care of the Sick, Clothing, Foods, and the like - courses now open almost exclusively to girls?

Molecular Forces, L. Begeman

Science Bulletin

One of the characteristic properties of molecules assembled in masses is their attraction for one another. While it is customary to classify these attractions under two heads, cohesion and adhesion, it is well understood that there is in reality only one form of attraction.

Presenting The Problems Of Feeding, H. Earl Rath

Science Bulletin

It has been the experience of the author that the teaching of feeding taxes the ingenuity of the agricultural instructor more than most other agricultural topics. The mere statement of principles without application or proof offers little of permanent value to the pupil. On the other hand, an attempt to pursue all, or even a small part, of the mass of data necessary to prove even a single principle, leaves the student groggy and confused. Neither is there time allowed in most courses for such procedure.

Professional Growth, R. W. Getchell

Science Bulletin

The first class provides bits of scientific information which can be interspersed in class discussions. Such items will add interest to the class work and may indicate new and modern uses for chemical substances and appliances. They are found in such publications as Popular Science Monthly. The second class of articles are indispensable to good teaching.

Maps As Laboratory Material, E. J. Cable

Science Bulletin

If the study of physiography is to be made real, vital and practical, the classroom recitation should be ac- companied by some kind of well-planned laboratory work. The nature of the exercises should vary with the region in which the teacher works. Where it is possible to take classes out of doors to see the action of the various agents that are at work changing the surface of the earth, the classroom recitation is motivated in a way that cannot be secured from a mere verbal discussion. To make the study broader, the teacher should use the topographic map.

Title - Masthead

Science Bulletin

A Service Bulletin for Teachers of High School Science.

Static Electricity, S. F. Hersey

Science Bulletin

There is ample evidence that many electrical phenomena were observed in early times. Thales, of Greece, about 600 B.C., observed that amber when vigorously rubbed would attract light bodies such as scraps of thin paper. When a piece of magnetic iron found in Asia Minor was seen to attract bits of iron it was suggested that the two phenomena might be identical, but early in the seventeenth century Dr. William Gilbert pointed out the difference and brought the words "magnetism" and "electricity" into use.

Introducing The Biology Course In The Classroom, Roy L. Abbott

Science Bulletin

The success of any course in high school science often depends upon the interest aroused in it during the first days of its presentation. This interest is particularly easy to arouse in biology, chiefly, l suppose, because people are always interested in living things, or things that have been alive. Moreover, though he does not recognize it as such, nearly every pupil has considerable biological knowledge when he first comes to class, and it is this preliminary knowledge which can be made a strong entering wedge into his interest in the subject.