This resource contains presentations from one of the Center for Automotive Research's …
This resource contains presentations from one of the Center for Automotive Research's (CAR's) breakfast briefings titled "Automotive Fuels and Emissions: Policies, Compliance, & Potential Impact of Future Technologies." This briefing occurred on 12/5/13 at Robert Bosch LLC in Farmington Hills, MI. At the briefing presenters discussed the strategic implications of Tier 3 regulations which will soon be finalized and may impact future technology decisions in a multitude of ways. The impact of Tier 3 emission regulations is expected to be far reaching as they have the potential to influence the quality of fuel, as well as usage of alternative fuels and powertrains. Further, the regulations will have a direct influence on the technologies, such as diesel and gasoline direct injection, that automakers will utilize to meet the fuel economy standards through MY2025. Included in this resource are the presentations from the National Renewable Energy Laboratory (NREL), Volkswagen, and Bosch utilized at the briefing.
This activity is designed for a primary classroom (outdoors & indoors) investigation …
This activity is designed for a primary classroom (outdoors & indoors) investigation where students collect and investigate soil samples and describe the soils, looking for similarities and differences. Students develop a method of recording the data colleted and can present the information gathered.
This classroom activity will show students that there is a lot we …
This classroom activity will show students that there is a lot we don't know about science, for example life throughout the universe. It will hopefully encourage students to question what we know and don't know, and exploration and study of the unknown.
As the carbon dioxide concentration of our atmosphere increases and our climate …
As the carbon dioxide concentration of our atmosphere increases and our climate warms, the hay fever season seems to be getting longer and more severe. In this case study, students assume the a role of a public relations specialist contracted to communicate the link between climate change and pollen allergies. The activity focuses on the importance of scientific skills to careers outside science, and is most suitable for a lower-level introductory biology, human health, or environmental science course.
In this activity, students discover the relationship between an object's mass and …
In this activity, students discover the relationship between an object's mass and the amount of space it takes up (its volume). Students learn about the concept of displacement and how an object can float if it displaces enough water, and the concept of density and its relationship to mass and volume.
Students learn how forces are used in the creation of art. They …
Students learn how forces are used in the creation of art. They come to understand that it is not just bridge and airplane designers who are concerned about how forces interact with objects, but artists as well. As "paper engineers," students create their own mobiles and pop-up books, and identify and use the forces (air currents, gravity, hand movement) acting upon them.
Finding themselves in the middle of the Amazon rainforest after a plane …
Finding themselves in the middle of the Amazon rainforest after a plane crash, students use map scales, keys, and longitude and latitude coordinates to figure out where they are. Then they work in groups to generate ideas and make plans. They decide where they should go to be rescued, the distance to that location, the route to take, and make calculations to estimate walking travel time.
At what point in evolutionary development does a group of individuals become …
At what point in evolutionary development does a group of individuals become two distinct species? This case addresses that fundamental question by asking students to decide whether apple maggot flies are distinct as a species from hawthorn maggot flies. In making their decision, students examine the different models of speciation and consider the primary forces that effect evolutionary change. Developed for an advanced undergraduate course in evolutionary biology, it would be appropriate for any biology course in which students are taught about the models of speciation. It could also be used in a general ecology course in which students consider the distribution and use of resources leading to niche specialization or in a genetics course if restrictions in gene flow are taught in the context of speciation.
This case focuses on the banana, the most popular fruit in the …
This case focuses on the banana, the most popular fruit in the world. In the first part of the case, students are introduced to the history of "Banana Republics" and the biological constraints to banana production, including the devastating fungal pathogens that cause black Sigatoka and Panama disease. In the second part, they learn about ethical consumerism, organic and conventional agriculture, and Fair Trade products. The case was developed for an interdisciplinary capstone course, "Global Issues in the Sciences." It could also be used in courses in environmental studies, general biology, agriculture, and plant pathology.
Students hypothesize whether vinegar and ammonia-based glass cleaner are acids or bases. …
Students hypothesize whether vinegar and ammonia-based glass cleaner are acids or bases. They create designs on index cards using these substances as invisible inks. After the index cards have dried, they apply red cabbage juice as an indicator to reveal the designs.
In this decision case, students consider the pros and cons of reintroducing …
In this decision case, students consider the pros and cons of reintroducing grizzly bears into the northwestern United States as they learn about natural resource policy and the wildlife management decision-making process. Students consider four different approaches to grizzly bear recovery and management in the Bitterroot Ecosystem. As part of this, they assume the viewpoint of a stakeholder group, including environmentalists, government officials, residents, hunters, natural resource managers, ranchers, loggers, American Indians, wildlife biologists, and the tourist/recreation industry. The case was developed for use in an upper-division natural resource policy course.
Students are introduced to the concepts of biomimicry and sustainable design. Countless …
Students are introduced to the concepts of biomimicry and sustainable design. Countless examples illustrate the wisdom of nature in how organisms are adapted for survival, such as in body style, physiological processes, water conservation, thermal radiation and mutualistic relationships, to assure species perpetuation. Students learn from articles and videos, building a framework of evidence substantiating the indisputable fact that organisms operate "smarter" and thus provide humans with inspiration in how to improve products, systems and cities. As students focus on applying the ecological principles of the previous lessons to the future design of our human-centered world, they also learn that often our practices are incapable of replicating the precision in which nature completes certain functions, as evidenced by our dependence on bees as pollinators of the human food supply. The message of biomimicry is one of respect: study to improve human practices and ultimately protect natural systems. This heightened appreciation helps students to grasp the value of industry and urban mimetic designs to assure protection of global resources, minimize human impact and conserve nonrenewable resources. All of these issues aid students in creating a viable guest resort in the Sonoran Desert.
In this optics activity, learners explore why the sky is blue and …
In this optics activity, learners explore why the sky is blue and the sunset is red, using a simple setup comprising a transparent plastic box, water, and powdered milk. Learners use a flashlight to shine a beam of light through the container. Learners look at the beam from the side of the container and then from the end of the tank, and compare the colors that they see. Learners also examine a narrower beam of light. Use this activity to introduce learners to the light spectrum, wavelengths, frequency, scattering, and how all this effects what we see in the sky at different times of the day.
A town meeting is the backdrop for a role-playing case about ground-level …
A town meeting is the backdrop for a role-playing case about ground-level ozone air pollution. The case consists of a flier and scripts drawn from public comment records on the government mandate to reduce ground-level ozone by limiting nitrogen oxide emissions. Students play the parts of stakeholders and develop recommendations for reducing emissions.
In this activity, learners observe as soap bubbles float on a cushion …
In this activity, learners observe as soap bubbles float on a cushion of carbon dioxide gas. Learners blow bubbles into an aquarium filled with a slab of dry ice. Learners will be amazed as the bubbles hover on the denser layer of carbon dioxide gas, then begin to expand and sink before freezing on the dry ice. Use this activity to discuss sublimation, density, and osmosis as well as principles of buoyancy, semipermeability, and interference.
Students investigate the weather from a systems approach, learning how individual parts …
Students investigate the weather from a systems approach, learning how individual parts of a system work together to create a final product. Students learn how a barometer works to measure the Earth's air pressure by building a model using simple materials. Students analyze the changes in barometer measurements over time and compare those to actual weather conditions. They learn how to use a barometer to understand air pressure and predict actual weather changes.
Bottled water, popular among students, is big business even though issues surrounding …
Bottled water, popular among students, is big business even though issues surrounding it related to health and safety as well as its environmental impact have stirred up controversy. Designed for an introductory non-majors environmental science course, this discussion/dilemma case explores the environmental effects associated with the production, consumption, and recycling of bottled water while touching on health and safety issues. Students also learn about government regulations regarding the extraction of ground water and labeling of bottled water; recycling laws and how states circumvent the recycling process; and the economic and ecological costs of drinking bottled water.
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