Students act as civil engineers developing safe railways as a way to …
Students act as civil engineers developing safe railways as a way to strengthen their understanding of parallel and intersecting lines. Using pieces of yarn to visually represent line segments, students lay down "train tracks" on a carpeted floor, and make guesses as to whether these segments are arranged in parallel or non-parallel fashion. Students then test their tracks by running two LEGO® MINDSTORMS® NXT robots to observe the consequences of their track designs, and make safety improvements. Robots on intersecting courses face imminent collision, while robots on parallel courses travel safely.
Students explore their peripheral vision by reading large letters on index cards. …
Students explore their peripheral vision by reading large letters on index cards. Then they repeat the experiment while looking through camera lenses, first a lens with a smaller focal length and then a lens with a larger focal length. Then they complete a worksheet and explain how the experiment helps them solve the challenge question introduced in lesson 1 of this unit.
Student groups use a "real" 3D coordinate system to plot points in …
Student groups use a "real" 3D coordinate system to plot points in space. Made from balsa wood or wooden dowels, the system has three axes at right angles and a plane (the XY plane) that can slide up and down the Z axis. Students are given several coordinates and asked to find these points in space. Then they find the coordinates of the eight corners of a box/cube with given dimensions.
The students will play a classic game from a popular show. Through …
The students will play a classic game from a popular show. Through this they will see the probabilty that the ball will land each of the numbers with more accurate results coming from repeated testing.
To develop an understanding of modern industrial technologies that clean up and …
To develop an understanding of modern industrial technologies that clean up and prevent air pollution, students build and observe a variety of simple models of engineering pollutant recovery methods: scrubber, electrostatic precipitator, cyclone and baghouse. In an associated literacy activity, students become more aware of global environmental problems and play a part in their solution by writing environmental action campaign letters.
This class introduces students to the interdisciplinary nature of 21st-century engineering projects …
This class introduces students to the interdisciplinary nature of 21st-century engineering projects with three threads of learning: a technical toolkit, a social science toolkit, and a methodology for problem-based learning. Students encounter the social, political, economic, and technological challenges of engineering practice by participating in real engineering projects with faculty and industry; this semester's major project focuses on the engineering and economics of solar cells. Student teams will create prototypes and mixed media reports with exercises in project planning, analysis, design, optimization, demonstration, reporting and team building.
Principles of Macroeconomics 2e covers the scope and sequence of most introductory …
Principles of Macroeconomics 2e covers the scope and sequence of most introductory economics courses. The text includes many current examples, which are handled in a politically equitable way. The outcome is a balanced approach to the theory and application of economics concepts. The second edition has been thoroughly revised to increase clarity, update data and current event impacts, and incorporate the feedback from many reviewers and adopters.Changes made in Principles of Macroeconomics 2e are described in the preface and the transition guide to help instructors transition to the second edition.
By the end of this section, you will be able to: Discuss …
By the end of this section, you will be able to:
Discuss the components of economic growth, including physical capital, human capital, and technology Explain capital deepening and its significance Analyze the methods employed in economic growth accounting studies Identify factors that contribute to a healthy climate for economic growth
By the end of this section, you will be able to: Analyze …
By the end of this section, you will be able to:
Analyze the growth policies of low-income countries seeking to improve standards of living Analyze the growth policies of middle-income countries, particularly the East Asian Tigers with their focus on technology and market-oriented incentives Analyze the struggles facing economically-challenged countries wishing to enact growth policies Evaluate the success of sending aid to low-income countries
The aim of this course is to introduce the principles of the …
The aim of this course is to introduce the principles of the Global Positioning System and to demonstrate its application to various aspects of Earth Sciences. The specific content of the course depends each year on the interests of the students in the class. In some cases, the class interests are towards the geophysical applications of GPS and we concentrate on high precision (millimeter level) positioning on regional and global scales. In other cases, the interests have been more toward engineering applications of kinematic positioning with GPS in which case the concentration is on positioning with slightly less accuracy but being able to do so for a moving object. In all cases, we concentrate on the fundamental issues so that students should gain an understanding of the basic limitations of the system and how to extend its application to areas not yet fully explored.
Blast a Buick out of a cannon! Learn about projectile motion by …
Blast a Buick out of a cannon! Learn about projectile motion by firing various objects. Set the angle, initial speed, and mass. Add air resistance. Make a game out of this simulation by trying to hit a target.
Projections and coordinates are key advancements in the geographic sciences that allow …
Projections and coordinates are key advancements in the geographic sciences that allow us to better understand the nature of the Earth and how to describe location. These innovations in describing the Earth are the basis for everything that is done in a GIS framework. Shape of the Earth is a critical starting point because in fact the Earth is not round but rather a more complex shape called a geoid. Coordinate systems are often referenced to a particular model shape of the Earth, but many different formats exist because not all coordinates work equally well in all areas. While projections and coordinates are abstract concepts in themselves, students eventually find them interesting because 1) it causes them to challenge their current ideas of the Earth's shape and 2) it is much easier to visualize these ideas for learning through interactive GIS such as Google Earth.
Students explore the applications of quantum dots by researching a journal article …
Students explore the applications of quantum dots by researching a journal article and answering framing questions used in a classwide discussion. This "Harkness-method" discussion helps students become critical readers of scientific literature.
Students practice converting between RGB and hexadecimal (hex) formats. They learn about …
Students practice converting between RGB and hexadecimal (hex) formats. They learn about mixing primary colors in order to get the full spectrum of colors and how to average pixel values.
Explore forces, energy and work as you push household objects up and …
Explore forces, energy and work as you push household objects up and down a ramp. Lower and raise the ramp to see how the angle of inclination affects the parallel forces acting on the file cabinet. Graphs show forces, energy and work.
In this activity, students are guided through a close reading of The …
In this activity, students are guided through a close reading of The Journal of Sean Sullivan: A Transcontinental Railroad Worker, a fictional book for young readers based on historical sources. Students will read a short excerpt from the beginning of the book and determine the meaning of key words. Working in groups, students will then read excerpts related to one of the following themes: working conditions of railroad builders; tension between immigrant groups; corruption of the railroad companies; conflict with Great Plains Indian tribes; and boomtowns. They will also complete an individual writing task on their theme. Finally, students will consider the positive and negative effects of the railroad on the country as a whole, as well as on specific groups of Americans.
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