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Absorción Foliar
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Esta animación describe cómo se absorben los herbicidas por las hojas, e ilustra cómo sus características físico-químicas alteran su movimiento a través de la cutícula. También se muestran mecanismos pasivos y activos de la absorción de los herbicidas a través de las membranas de las plantas.

Subject:
Life Science
Material Type:
Lesson
Provider:
Plant and Soil Sciences eLibrary
Provider Set:
Plant and Soil Sciences eLibrary
Acculturation
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Acculturation is usually in the direction of a minority group adopting habits and language patterns of the dominant or host society, acculturation can be reciprocal. The goal of this module is to explore the assimilation and separation/ethnic competition models of acculturation.

Subject:
Education
Material Type:
Lesson
Provider:
TeachingWithData.org
Provider Set:
TeachingWithData.org
Author:
ICPSR
Active Learning in the College Classroom
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This journal article presents a catalog of active-learning techniques aimed at fostering student learning in the context of a lecture course. The activities they discuss range from listening practices, to short writing exercises, to complex group exercises. In addition to their review of active-learning techniques, the article discusses some of the potential barriers to implementing active learning and suggests solutions.

Subject:
Education
Geoscience
Material Type:
Lesson
Provider:
Science Education Resource Center (SERC) at Carleton College
Provider Set:
Starting Point: Teaching Entry Level Geoscience
Author:
D. Paulson
Electronic Journal on Excellence in College Teaching
J. Faust
Adopting Sustainable Food Practices
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Hear about how respect for Earth can help us attain a more sustainable lifestyle in the face of climate change in this video segment adapted from United Tribes Technical College.

Subject:
Life Science
Ecology
Forestry and Agriculture
Geoscience
Space Science
Material Type:
Lesson
Provider:
PBS LearningMedia
Provider Set:
PBS Learning Media Common Core Collection
Author:
NASA
WGBH Educational Foundation
African Bone Tools Dispute Key Idea About Human Evolution
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This site from National Geographic details a study that argues, based on the bone tools and other recent discoveries, that "behavioral modernity" first evolved in Africa and has a much longer history than most archaeologists believe. The study uses bone tools more than 70,000 years old as evidence that modern behavior evolved before humans migrated to Europe.

Subject:
Life Science
Geoscience
Material Type:
Lesson
Provider:
Science Education Resource Center (SERC) at Carleton College
Provider Set:
Starting Point: Teaching Entry Level Geoscience
Author:
National Geographic News
Age of the Dinosaurs
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The public undeniably loves dinosaurs. Our students turn up in droves to watch movies like "Jurassic Park." So, many colleges and universities are offering introductory Earth history classes with ...

Subject:
Geoscience
Material Type:
Lesson
Provider:
Science Education Resource Center (SERC) at Carleton College
Provider Set:
Starting Point: Teaching Entry Level Geoscience
Alaska Native Teens Help Researchers
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In this video adapted from KUAC-TV and the Geophysical Institute at the University of Alaska, Fairbanks, Alaska Native students contribute to research on how their environment is changing as a result of global warming.

Subject:
Life Science
Ecology
Forestry and Agriculture
Geoscience
Space Science
Material Type:
Lesson
Provider:
PBS LearningMedia
Provider Set:
PBS Learning Media Common Core Collection
Author:
National Science Foundation
WGBH Educational Foundation
All about Linear Programming
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Students learn about linear programming (also called linear optimization) to solve engineering design problems. As they work through a word problem as a class, they learn about the ideas of constraints, feasibility and optimization related to graphing linear equalities. Then they apply this information to solve two practice engineering design problems related to optimizing materials and cost by graphing inequalities, determining coordinates and equations from their graphs, and solving their equations. It is suggested that students conduct the associated activity, Optimizing Pencils in a Tray, before this lesson, although either order is acceptable.

Subject:
Mathematics
Algebra
Geometry
Material Type:
Lesson
Provider:
TeachEngineering
Provider Set:
TeachEngineering NGSS Aligned Resources
Author:
Andi Vicksman
CU Teach Engineering (a STEM licensure pathway), Engineering Plus Degree Program, University of Colorado Boulder
Maia Vadeen
Malinda Zarske
Nathan Coyle
Russell Anderson
Ryan Sullivan
The American Dream at the Turn of the 21st Century: A Data-Driven Learning Guide
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The goal of this exercise is to compare people's attitudes about the American Dream with their experiences of upward mobility at the turn of the 21st century. Crosstabulation will be used.

Material Type:
Lesson
Provider:
TeachingWithData.org
Provider Set:
TeachingWithData.org
Author:
ICPSR
American Identity and Immigrant Resentment: A Data-Driven Learning Guide
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The goal of this exercise is to explore the relationship between social identity and attitudes toward out-group members. Frequency distributions, crosstabulations, correlations, and multiple regression will be used.

Material Type:
Lesson
Provider:
TeachingWithData.org
Provider Set:
TeachingWithData.org
Author:
ICPSR
The Angle on Pool
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Find out how angles and symmetry come into play in the game of pool in this video adapted from Annenberg Learner’s Learning Math: Measurement.

Subject:
Life Science
Mathematics
Geometry
Chemistry
Material Type:
Lesson
Provider:
PBS LearningMedia
Provider Set:
PBS Learning Media Common Core Collection
Author:
U.S. Department of Education
WGBH Educational Foundation
Antarctica Gives Mixed Signals on Warming
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This article from National Geographic News investigates trends in the Antarctic Ice Cap that seem to give contradictory information about global warming. The results of various studies do not seem useful in predicting future climate development for the rest of the planet.

Subject:
Geoscience
Material Type:
Lesson
Provider:
Science Education Resource Center (SERC) at Carleton College
Provider Set:
Starting Point: Teaching Entry Level Geoscience
Author:
Bijal P. Trivedi
National Geographic News
Around the World With Brassicas
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Wisconsin Fast Plants, rapid-cycling brassicas, are part of a large family of plants called crucifers (Latin = Cruciferae). This resource tells the story of Crucifers, which are easilydistinguished by the characteristic shape of their flowersĺŃfour petals in the shape of a cross or crucifix. A section, or genus, of the crucifer family is the genus Brassica.Brassicas have great economic and commercial value, and play a major role in feeding the world population. They range from nutritious vegetables, mustards and oil producing crops, to animal fodders and weeds.

Material Type:
Lesson
Provider:
Wisconsin Fast Plants Program
Provider Set:
Wisconsin Fast Plants Activity and Resource Library
Author:
Lauffer, Hedi Baxter
The Wisconsin Fast Plants Program
Assessing Interactive Lectures
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Assessment is often viewed as a process that takes time from teaching but since most students are grade concious and will focus on learning what will be assessed, the process of formative assessment can be a ...

Subject:
Geoscience
Material Type:
Lesson
Provider:
Science Education Resource Center (SERC) at Carleton College
Provider Set:
Starting Point: Teaching Entry Level Geoscience
Associate Scientist Andres Berrio
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In this video segment produced for Teachers' Domain, Andres Berrio, an associate scientist at Biogen Idec, discusses what he has done to succeed in the biotechnology field.

Subject:
Engineering
Technology
Material Type:
Lesson
Provider:
PBS LearningMedia
Provider Set:
PBS Learning Media Common Core Collection
Author:
Amgen Foundation
WGBH Educational Foundation
Atmosphere
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Air Pressure, Height and Temperature. This undergraduate meteorology tutorial uses the balancing of gravity/centrifugal forces and the vertical pressure gradient with the ideal gas law to explain how pressure, ...

Subject:
Geoscience
Material Type:
Lesson
Provider:
Science Education Resource Center (SERC) at Carleton College
Provider Set:
Starting Point: Teaching Entry Level Geoscience
Attitudes about Global Warming in the United States: A Data-Driven Learning Guide
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The goal of this module is to explore some of the factors that might be associated with an individual's level of concern about the environment and global warming. Crosstabulations, frequency distributions, and bar charts will be used.

Subject:
Ecology
Forestry and Agriculture
Geoscience
Material Type:
Lesson
Provider:
TeachingWithData.org
Provider Set:
TeachingWithData.org
Author:
ICPSR
Attitudinal Stability on Short- and Long-term Issues: A Data-Driven Learning Guide
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The goal of this exercise is to explore the differences in the stability of attitudes about long term and short term issues. Correlation coefficients, comparisons of correlations, and T-statistics will be used.

Material Type:
Lesson
Provider:
TeachingWithData.org
Provider Set:
TeachingWithData.org
Author:
ICPSR
Author's Sahara Trek Inspired by Classic Tale
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This National Geographic interview recounts Dean King's rediscovery of Captain James Riley's classic survival narrative, and his subsequent journey tracking Riley's footprints across Saharan sands. After reading the adventure, King decided to travel to what is today the Morocco-controlled territory of Western Sahara to retrace Riley's route.

Subject:
Geoscience
Material Type:
Lesson
Provider:
Science Education Resource Center (SERC) at Carleton College
Provider Set:
Starting Point: Teaching Entry Level Geoscience
Author:
Mark Kirby
National Geographic News
Auxin and Auxinic Herbicide Mechanisms of Action
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This animation illustrates how auxins and auxinic herbicides may elicitresponses in plant cells. It describes basipetal transport of auxinsvia influx and efflux carriers and displays a scenario of auxin actionwhere auxin receptors recognize auxins and auxinic herbicides, whichthen induce a signal transduction cascade to turn on various geneproducts. The role of these gene products in plant response is shown aswell.

Subject:
Life Science
Material Type:
Lesson
Provider:
Plant and Soil Sciences eLibrary
Provider Set:
Plant and Soil Sciences eLibrary
BJS Dynamic Data Tools
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Bureau of Justice Statistics offers dynamic data analysis tools allows you to generate tables and graphs of arrest, recidivism, federal case processing among other data.

Material Type:
Lesson
Provider:
TeachingWithData.org
Provider Set:
TeachingWithData.org
Author:
U.S. Bureau of Justice Statistics
BRFSS: Prevalence Data and Data Analysis Tools
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RFSS is the nation's premier system of health-related telephone surveys that collect state data about U.S. residents regarding their health-related risk behaviors, chronic health conditions, and use of preventive services. BRFSS collects data in all 50 states as well as the District of Columbia and three U.S. territories. BRFSS completes more than 400,000 adult interviews each year, making it the largest continuously conducted health survey system in the world. These tools allow the user to perform various analyses and display the data in different means. 

Material Type:
Lesson
Provider:
Centers For Disease Control and Prevention
TeachingWithData.org
Provider Set:
TeachingWithData.org
Author:
Center for Disease Control
Backcross Breeding
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How the conventional breeding method of backcross breeding is done.This is the seventh of a series of seven animations that detail theprocess of crop genetic engineering. To begin at the beginning, see Overview of Crop Genetic Engineering. (To return to the animation previous to this, go to Gene Gun.)

Subject:
Life Science
Material Type:
Lesson
Provider:
Plant and Soil Sciences eLibrary
Provider Set:
Plant and Soil Sciences eLibrary
Bacteria Transformation
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Illustrates the beginning stages of gene cloning. This animation shows how plasmids become recombinant and are inserted into bacteria cells. This is the second of four animations detailing the gene cloning process. To begin at the beginning, see Making a Recombinant Plasmid. (To see the next animation, go to Making a Gene Library.)

Subject:
Life Science
Material Type:
Lesson
Provider:
Plant and Soil Sciences eLibrary
Provider Set:
Plant and Soil Sciences eLibrary
Bad Chemistry
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This site from the Princeton Section of the American Chemical Society consists of articles about common chemical misconceptions along with examinations of the scientific explanation. The purpose of this page is to reveal common misconceptions in the field of Chemistry. The intended audience is secondary school students and their teachers. The page is at present just beginning, and additions are welcome.

Subject:
Education
Chemistry
Geoscience
Material Type:
Lesson
Provider:
Science Education Resource Center (SERC) at Carleton College
Provider Set:
Starting Point: Teaching Entry Level Geoscience
Author:
Kevin Lehmann
Princeton University
Ballard Team Has High Hopes for Deep-Water Robot
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This National Geographic article describes Hercules, an innovative underwater remotely operated vehicle (ROV) equipped with mechanical arms, fingers, and a variety of tools. The robot will be used to conduct the first archaeological excavations of shipwrecks and archaeological sites in the deep seas of the Mediterranean and the Black Sea.

Subject:
Geoscience
Material Type:
Lesson
Provider:
Science Education Resource Center (SERC) at Carleton College
Provider Set:
Starting Point: Teaching Entry Level Geoscience
Author:
Brian Handwerk
National Geographic News
Biofuels vs Fossil Fuels Unit
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The Biofuels vs Fossil Fuels unit has students explore the similarities and differences between fossil fuels and biofuels. In the process, students investigate the carbon-transforming processes of combustion, photosynthesis, fermentation and respiration. They apply their knowledge of these processes to the global carbon cycle to examine how use of fossil fuels and biofuels have different effects on atmospheric carbon dioxide levels and consequently global climate change. Students use their understanding of the global carbon cycle to study the claim that biofuels, such as ethanol made from plant material, can help reduce the rate of increase of atmospheric carbon dioxide. In addition, students examine the environmental impact of biofuels agriculture.

Overall, this unit has three important goals. These focus on: Matter and energy changes associated with the carbon-transforming processes, the effects of the use of fossil fuels and biofuels on the global carbon cycle and global climate change, and a cost/benefit analysis of the production and use of biofuels.

Subject:
Applied Science
Life Science
Physical Science
Material Type:
Activity/Lab
Lesson
Unit of Study
Provider:
Great Lakes Bioenergy Research Center
Biosensors for Food Safety
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How can you tell if harmful bacteria are in your food or water that might make you sick? What you eat or drink can be contaminated with bacteria, viruses, parasites and toxins—pathogens that can be harmful or even fatal. Students learn which contaminants have the greatest health risks and how they enter the food supply. While food supply contaminants can be identified from cultures grown in labs, bioengineers are creating technologies to make the detection of contaminated food quicker, easier and more effective.

Subject:
Life Science
Material Type:
Lesson
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Bio-Inspired Technology and Systems (BITS) RET, College of Engineering, Michigan State University
Evangelyn Alocilja
Hannah Miller
Lisa Wininger