Widmaier is an instructional coach and science teacher at World of Inquiry School #58 in Rochester, New York. He is also a recipient of the 2016 Teaching Tolerance Award for Excellence in Teaching.
All students in Columbia College must complete three courses in fulfillment of the science requirement. The three courses must be distributed across the three categories detailed below: Science A, Science B, and Science C.
Students should pay careful attention to the prerequisites and instructor approvals required for certain courses. Prerequisite and instructor approval requirements can be found in the course descriptions for each course located in specific departments' sections of this bulletin.
While students are not required to complete a two-term sequence, students may choose to do so, if the two courses together will fulfill both Science B and Science C. For this reason, the Committee on Science Instruction has indicated recommended sequences below. Unless otherwise noted, the first course in the sequence must be taken before the second course in the sequence.
Transfer students may be able to apply transfer credit for science coursework taken elsewhere to the Science requirement. One of the three required science courses must be taken at Columbia, and the coursework taken to fulfill the three-semester science requirement must be distributed across the categories of Science B and Science C.
Students who enter the College as first-year students are required to take SCNC CC1000 Frontiers of Science during their first or second semester (whichever term in which they are not taking ENGL CC1010 University Writing)
All College students must complete at least one course offered by one of the following seven Columbia University science departments. (Unless otherwise indicated, students may not use Barnard College courses to fulfill the Columbia College science requirement.)
All College students must complete one course from the following list of courses, which includes the courses in Science Category B plus a number of courses in other Columbia University academic departments and programs. (Unless otherwise indicated, students may not use Barnard College courses to fulfill the Columbia College science requirement.)
Over the last decade, researchers in science education have identified a variety of student beliefs that shape and are shaped by student classroom experience.1,4,5,7 Based on studies of students' beliefs, researchers have developed instruments designed to probe these beliefs.8
Building on this prior work, here at Colorado, we have developed and validated another instrument, the Colorado Learning Attitudes about Science Survey, CLASS.The CLASS draws from the existing surveys (MPEX6, VASS3, EBAPS2) and adds and refines material to account for other student ABs observed to be important in educational practice.7 The CLASS was written to make the questions as clear and concise as possible and is readily adapted to use in a wide variety of science courses.Students are asked to respond on a Likert-like (5-point agree to disagree) scale to questions such as: "Learning physics changes my ideas about how the world works".It has been used in both pencil and paper and online formats.
Simplified CLASS Scoring Sheets (including sample data): Physics Scoring Sheet OR Chemistry Scoring Sheet** OR Biology Scoring Sheet
Simplified CLASS Scoring Sheets (no sample data): Physics Scoring Sheet OR Chemistry Scoring Sheet** OR Biology Scoring Sheet
Video Instructions for inserting data into CLASS Scoring Sheets
A new instrument for measuring student beliefs about physics and learning physics: the Colorado Learning Attitudes about Science Survey , published in PRST Jan. 2006.
Modifying and Validating the Colorado Learning Attitudes about Science Survey for Use in Chemistry , J. Barbera, K. K. Perkins, W. K. Adams, and C. E. Wieman, Journal of Chemical Education, 85, pp 1435-1439 (2008).
The Design and Validation of the Colorado Learning Attitudes about Science Survey, published in PERC Proceedings 2004
Who Becomes a Physics Major? A Long-term Longitudinal Study Examining the Roles of Pre-college Beliefs about Physics and Learning Physics, Interest, and Academic Achievement, published in PERC Proceedings 2010
Correlating Student Beliefs With Student Learning Using the Colorado Learning Attitudes about Science Survey, published in PERC Proceedings 2004
Towards characterizing the relationship between students' self-reported interest in and their surveyed beliefs about physics, published in PERC Proceedings 2005
Chemistry vs. Physics: A Comparison of How Biology Majors View Each Discipline, published in PERC Proceedings 2006
Measuring Students' Beliefs about Physics in Saudi Arabia published in PERC Proceedings 2009 (See Poster here)
CASE's signature publication, is an electronic publication that is produced bimonthly. The publication consists of mostly original content produced by CASE members and provides information of interest to California science educators.
CCS is packed with information, news, resources, ideas, and activities of current interest to science educators. CCS is delivered to CASE members electronically via e-mail and is available on our website for all to enjoy.
NCERT Solutions Science Class 10 contains very important information that helps the students understand the complex topics and helps them in preparation for the Class 10 board examination. Studying the answers to the questions in the textbook will ensure your understanding of a particular topic and help you determine your strengths and weaknesses. These NCERT Solutions for Class 10 Science are prepared by our subject experts in such a way that the students understand all the topics covered in the syllabus of CBSE 10 Science quite effectively.
The Solutions of NCERT Books also helps students to understand the topic thoroughly, which is very important not just from the point of view of the Class 10 examination. Better understanding lays a great foundation for their future studies. Quite often, questions from textbooks are also asked in competitive examinations. We have covered both in-text and exercise questions in detail.
The first chapter of Class 10 NCERT Science will teach the students about chemical reactions and how to write equations, how to conduct combination and decomposition reactions and more. In the previous classes, we have learned about physical and chemical changes in matter. Whenever a chemical change occurs, we can say that a chemical reaction has taken place. A complete chemical reaction represents the reactants, products and their physical states symbolically. Students will also study how to write a chemical reaction, which is a symbolic representation of a chemical reaction. The chapter also explains how various chemical equations can be balanced in different states.
The next subtopic teaches various chemical reactions such as Combination Reaction, Decomposition reaction, Displacement Reaction, and Double Displacement Reaction along with various examples and chemical reactions. On the basis of energy, exothermic and endothermic reactions are explained. Exothermic reactions are those reactions in which heat is given out along with the products, and endothermic reactions are those reactions in which energy is absorbed. Then redox reaction is explained, which is a combination of reduction reaction and oxidation reaction. The chapter explains all types of reactions with suitable examples with their respective chemical equations.
Chemical reactions: Chemical equation, Balanced chemical equation, implications of a balanced chemical equation, types of chemical reactions: combination, decomposition, displacement, double displacement, precipitation, endothermic exothermic reactions, oxidation and reduction.
The chapter then explains what all acids and bases have in common with a suitable example which gives the conclusion that acid solution in water conducts electricity. Students get to learn various experiments on what happens to acid or a base in a water solution and how strong are acid or base solutions by making use of universal indication. Along with it, students will get to learn about the importance of pH in everyday life. The chapter ends with a detailed explanation of salt preparation, properties and its uses.
In previous classes, students must have learned about various elements that can be classified as metals or non-metals on the basis of their properties. Here in Chapter 3 of Class 10 Science, students will learn about the physical properties of metals and non-metals. Metals are lustrous, malleable, ductile and are good conductors of heat and electricity. They are solid at room temperature, except mercury which is a liquid. The physical properties of metals are explained on various parameters such as ductility, malleability, tensile nature, strength, etc. On the basis of physical properties, metals and non-metals are differentiated. Some of the examples of non-metals are carbon, sulphur, iodine, oxygen, hydrogen, etc. The non-metals are either solids or gases except bromine which is a liquid. Under the subtopic chemical properties of metals, chemical reactions are discussed with oxygen gas, water, acids and other metal salts. The reactions and conditions depend on the reactivity series. The reactivity series tops potassium as the most reactive and gold as the least reactive.
The compounds formed in this manner by the transfer of electrons from a metal to a non-metal are known as ionic compounds or electrovalent compounds. Some of the general properties for ionic compounds are physical nature, melting and boiling points, solubility and conduction of electricity. Metal is extracted from its ore and then refining them for use is known as metallurgy. Metals are refined by using the method of electrolytic refining. The end topic explains corrosion and how it can be prevented.
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