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Science and Mathematics Education Commons

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1969

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Full-Text Articles in Science and Mathematics Education

Cover - Ias & Ists Officers, Directors And Chairpersons - Ist Journal Information - Table Of Contents Dec 1969

Cover - Ias & Ists Officers, Directors And Chairpersons - Ist Journal Information - Table Of Contents

Iowa Science Teachers Journal

No abstract provided.


Test 1033: Case 770 Manual Diesel, Nebraska Tractor Test Lab Nov 1969

Test 1033: Case 770 Manual Diesel, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …


Test 1030: Case 870 Power Shift Diesel, Nebraska Tractor Test Lab Nov 1969

Test 1030: Case 870 Power Shift Diesel, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …


Test 1031: Case 870 Manual Diesel, Nebraska Tractor Test Lab Nov 1969

Test 1031: Case 870 Manual Diesel, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …


Test 1032: Case 770 Power Shift Gasoline, Nebraska Tractor Test Lab Nov 1969

Test 1032: Case 770 Power Shift Gasoline, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …


Test 1029: International Farmall 544 Hydrostatic Diesel, Nebraska Tractor Test Lab Nov 1969

Test 1029: International Farmall 544 Hydrostatic Diesel, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …


The Ias Bulletin, V3n5, November 1969, Iowa Academy Of Science Nov 1969

The Ias Bulletin, V3n5, November 1969, Iowa Academy Of Science

IAS Bulletin

In this issue:

--- Officers, Directors, and Section Charimen, 1969-1970
--- Spring Program Planning
--- Board Meeting Bombshell
--- What About the Proceedings Format?
--- Speakers' Bureau Project Dropped
--- Visiting Scientist Program Still Alive
--- Excellence in Teaching Awards
--- Long Range Program Planning in the Biological Sciences
--- Symposium Volume of Archeological Papers Being Prepared
--- Academy Representatives to Attend Academy Conference in Boston
--- Constitution Revision
--- Financial Condition of the Academy
--- Academy Membership is a Bargain
--- News from Other State Academies
--- Membership in the Academy
--- Iowa Academy og Science Visiting Sceintist Program …


Test 1027: Ford 9000 Diesel Dual Power (Also Ford 9000 Diesel Dual Power Row Crop, 8-Speed All Purpose And 8-Speed Row Crop), Nebraska Tractor Test Lab Oct 1969

Test 1027: Ford 9000 Diesel Dual Power (Also Ford 9000 Diesel Dual Power Row Crop, 8-Speed All Purpose And 8-Speed Row Crop), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …


Test 1028: Allis-Chalmers 160 Diesel (Also Allis-Chalmers 6040 Diesel), Nebraska Tractor Test Lab Oct 1969

Test 1028: Allis-Chalmers 160 Diesel (Also Allis-Chalmers 6040 Diesel), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …


Test 1026: Ford 8000 Diesel Dual Power (Also Ford 8000 Diesel Dual Power Row Crop), Nebraska Tractor Test Lab Oct 1969

Test 1026: Ford 8000 Diesel Dual Power (Also Ford 8000 Diesel Dual Power Row Crop), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …


Test 1025: John Deere 5020, Nebraska Tractor Test Lab Oct 1969

Test 1025: John Deere 5020, Nebraska Tractor Test Lab

Nebraska Tractor Tests

No abstract provided.


Test 1023: John Deere 4000, Nebraska Tractor Test Lab Sep 1969

Test 1023: John Deere 4000, Nebraska Tractor Test Lab

Nebraska Tractor Tests

No abstract provided.


Test 1024: John Deere 4020 Power Shift, Nebraska Tractor Test Lab Sep 1969

Test 1024: John Deere 4020 Power Shift, Nebraska Tractor Test Lab

Nebraska Tractor Tests

No abstract provided.


Test 1022: Massey-Ferguson Mf 1080 (Diesel), Nebraska Tractor Test Lab Sep 1969

Test 1022: Massey-Ferguson Mf 1080 (Diesel), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …


Test 1020: Massey-Ferguson Mf 175 (Gasoline), Nebraska Tractor Test Lab Sep 1969

Test 1020: Massey-Ferguson Mf 175 (Gasoline), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …


Test 1021: Massey-Ferguson Mf 180 (Gasoline), Nebraska Tractor Test Lab Sep 1969

Test 1021: Massey-Ferguson Mf 180 (Gasoline), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …


Test 1018: David Brown 3800 Selectamatic (Gasoline), Nebraska Tractor Test Lab Sep 1969

Test 1018: David Brown 3800 Selectamatic (Gasoline), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …


Test 1019: David Brown 4600 Selectamatic (Gasoline), Nebraska Tractor Test Lab Sep 1969

Test 1019: David Brown 4600 Selectamatic (Gasoline), Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT GENERAL CONDITIONS East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers. PREPARATION FOR PERFORMANCE RUNS The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …


The Ias Bulletin, V3n4, September 1969, Iowa Academy Of Science Sep 1969

The Ias Bulletin, V3n4, September 1969, Iowa Academy Of Science

IAS Bulletin

In this issue:

--- Officers, Directors, and Section Chairmen, 1969-1970
--- New Members Since May First
--- Membership by Section Interest
--- Board Meeting Scheduled
--- Geology Monograph "Water Resources of Iowa" to e Available Soon
--- Grant Received from NSF for Junior Academy Work
--- Academies of Science and Science Education
--- Activities of NSRA of Interest to Academy Members
--- Member Wants Critical Analysis of his Trisection
--- All High School Science Teachers in Iowa now on Information Mailing List
--- Several Vacancies Left by the Departure of One Active Member
--- Local Arrangements Named for April 1970 …


A Comparison Of The Iowa Tests Of Educational Development With Student Achievement As Predictors Of Future Student Success In Mathematics, William Henry Patrick Aug 1969

A Comparison Of The Iowa Tests Of Educational Development With Student Achievement As Predictors Of Future Student Success In Mathematics, William Henry Patrick

All Master's Theses

It was the purpose of this study (1) to compare ninth grade algebra grades with grades achieved in future mathematics courses; (2) to compare scores achieved on the ITED with grades achieved in future mathematics courses; and (J) to determine whether the ITED or past student achievement was the better predictor of future student success in mathematics.


An Analysis Of The Modern Mathematics Program In Grades Four Through Eight Of The Cashmere School System, Janice Ferrill Irle Aug 1969

An Analysis Of The Modern Mathematics Program In Grades Four Through Eight Of The Cashmere School System, Janice Ferrill Irle

All Master's Theses

The purpose of this study was to analyze the modern mathematics program of the fourth through eighth grades of the Cashmere School District, Cashmere, Washington.


A Comparative Investigation Of The Effects Of Precision Of Response In Two Ninth Grade Algebra Classes, James Henry Krack Aug 1969

A Comparative Investigation Of The Effects Of Precision Of Response In Two Ninth Grade Algebra Classes, James Henry Krack

All Master's Theses

One of the areas of concern in mathematics education is that of communication of ideas and procedures. Since language plays the key role in the communication process, it is of value to examine its effect in the mathematics learning situation. The particular topic discussed in this paper concerned itself with various levels of precision in language usage in the mathematics classroom.


A Comparison Of The Mathematical Achievement Attained Using Two Methods Of Teaching First Year Algebra To Alaskan Native High School Students, Jerry E. Burgett Jul 1969

A Comparison Of The Mathematical Achievement Attained Using Two Methods Of Teaching First Year Algebra To Alaskan Native High School Students, Jerry E. Burgett

All Master's Theses

The major purpose of the study was to compare two different methods of teaching first year algebra to Alaskan Native high school students. The basis for comparison was their effect on mathematical achievement.


Test 1017: Allis-Chalmers 220 Diesel, Nebraska Tractor Test Lab Jun 1969

Test 1017: Allis-Chalmers 220 Diesel, Nebraska Tractor Test Lab

Nebraska Tractor Tests

Explanation of Test Report Preparation for Performance Runs Belt or Power Take-off Performance Maximum Power and Fuel Consumption Varying Power and Fuel Consumption Drawbar Performance Varying Power and Fuel Comsumption Maximum Power with Ballast Maximum Pull without Ballast Varying Power and Travel Speed with Ballast


Test 1015: John Deere 4520 Syncro Range, Nebraska Tractor Test Lab Jun 1969

Test 1015: John Deere 4520 Syncro Range, Nebraska Tractor Test Lab

Nebraska Tractor Tests

No abstract provided.


Test 1014: John Deere 4520 Power Shift, Nebraska Tractor Test Lab Jun 1969

Test 1014: John Deere 4520 Power Shift, Nebraska Tractor Test Lab

Nebraska Tractor Tests

No abstract provided.


An Experimental Study Of Two Methods Of Teaching Mathematics In Second Grade, Nina Aldridge Thomas Jun 1969

An Experimental Study Of Two Methods Of Teaching Mathematics In Second Grade, Nina Aldridge Thomas

All Master's Theses

It was the purpose of this study to compare two methods of teaching arithmetic in the second grade, an individualized method and a one group method, to determine if there were any differences in the achievement made by the two groups.


Test 1010: John Deere 3020 Power Shift, Nebraska Tractor Test Lab May 1969

Test 1010: John Deere 3020 Power Shift, Nebraska Tractor Test Lab

Nebraska Tractor Tests

No abstract provided.


Test 1011: John Deere 3020 Syncro Range, Nebraska Tractor Test Lab May 1969

Test 1011: John Deere 3020 Syncro Range, Nebraska Tractor Test Lab

Nebraska Tractor Tests

No abstract provided.


Test 1013: John Deere 4020 Syncro Range, Nebraska Tractor Test Lab May 1969

Test 1013: John Deere 4020 Syncro Range, Nebraska Tractor Test Lab

Nebraska Tractor Tests

No abstract provided.