In this lesson, the students will summarize their experiences in the Amazon …
In this lesson, the students will summarize their experiences in the Amazon rainforest by developing and presenting a briefing for a T.V. evening news program.
Public attention was captured in May 2018 when the Hawaiian volcano Kīlauea …
Public attention was captured in May 2018 when the Hawaiian volcano Kīlauea erupted with rivers of lava that flowed through Leilani Estates and other nearby neighborhoods. Your students may have seen videos of hot lava covering roads, destroying homes, or reaching the ocean with clouds of hot steam. You can capitalize on their interest by using data from this real-world event.
In these middle school lessons, students take on the role of volcanologists in order to analyze geologic data about the May 2018 eruption of Kīlauea and provide recommendations for mitigating its harmful effects.
Students explore the chemical identities of polymeric materials frequently used in their …
Students explore the chemical identities of polymeric materials frequently used in their everyday lives. They learn how chemical composition affects the physical properties of the materials that they encounter and use frequently, as well as how cross-linking affects the properties of polymeric materials.
The purpose of this lesson is to research artificial selection. During this …
The purpose of this lesson is to research artificial selection. During this lesson, we will use fast growing plant crossing to model traditional agricultural practices and we will use Punnett squares to predict plant crossing outcomes. We will also use online simulations to learn about current biotechnology techniques used to make genetically modified crops. We will compare traditional agriculture to current biotechnology techniques that are being used to create pest resistant crops. We will discuss how artificial selection such as selective breeding and genetic engineering can impact organisms over time.
Simple machines are devices with few or no moving parts that make …
Simple machines are devices with few or no moving parts that make work easier, and which people have used to provide mechanical advantage for thousands of years. Students learn about the wedge, wheel and axle, lever, inclined plane, screw and pulley in the context of the construction of a pyramid, gaining insights into tools that have been used since ancient times and are still important today. Through numerous hands-on activities, students imagine themselves as ancient engineers building a pyramid. Student teams evaluate and select a construction site, design a pyramid, perform materials calculations, test a variety of cutting wedges on different materials, design a small-scale cart/lever transport system to convey building materials, experiment with the angle of inclination and pull force on an inclined plane, see how a pulley can change the direction of force, and learn the differences between fixed, movable and combined pulleys. While learning the steps of the engineering design process, students practice teamwork, creativity and problem solving.
Students are introduced to the concepts of digital organisms and digital evolution. …
Students are introduced to the concepts of digital organisms and digital evolution. They learn about the research that digital evolution software makes possible, and compare and contrast it with biological evolution.
A hypothetical scenario is introduced in which the class is asked to …
A hypothetical scenario is introduced in which the class is asked to apply their understanding of the forces that drive natural selection to prepare a proposal along with an environmental consulting company to help clean up an area near their school that is contaminated with trichloroethylene (TCE). Students use the Avida-ED software application to test hypotheses for evolving (engineering) a strain of bacteria that can biodegrade TCE, resulting in a non-hazardous clean-up solution. Conduct this design challenge activity after completion of the introduction to digital evolution activity, Studying Evolution with Digital Organisms.
This resource is a video abstract of a research paper created by …
This resource is a video abstract of a research paper created by Research Square on behalf of its authors. It provides a synopsis that's easy to understand, and can be used to introduce the topics it covers to students, researchers, and the general public. The video's transcript is also provided in full, with a portion provided below for preview:
"Malignant gliomas are the most common and the deadliest type of tumor affecting the central nervous system. Even after surgery, chemotherapy, and radiotherapy, gliomas can still have a poor prognosis. But growing evidence is pointing to one promising target for fighting glioma. Exosomes are tiny sacs of cellular matter implicated in numerous cell processes. including signaling and communication and glioma progression. miRNAs are among the most important glioma-related payloads shuttled between cells by exosomes. In addition to increasing the risk of developing glioma. miRNAs can confer chemotherapy drug resistance from one cell to another or they can even help inhibit glioma tumor growth. Researchers are discovering that exosomal proteins may play similar roles. Understanding how exosomes operate and how they might be manipulated. could help researchers and clinicians deliver more powerful anti-cancer therapies to patients with glioma..."
The rest of the transcript, along with a link to the research itself, is available on the resource itself.
This resource is a video abstract of a research paper created by …
This resource is a video abstract of a research paper created by Research Square on behalf of its authors. It provides a synopsis that's easy to understand, and can be used to introduce the topics it covers to students, researchers, and the general public. The video's transcript is also provided in full, with a portion provided below for preview:
"Mesenchymal stem cells (MSCs) are multifunctional cells with the ability to reduce inflammation and repair tissue when injected directly. But MSC use is controversial, especially in patients with cancer or in cancer remission, as MSCs can release growth factors that can promote tumor growth. Fortunately, new research is showing that certain MSC contents can exert targeted beneficial effects without these drawbacks, most notably, microRNAs packaged inside exosomes. These loaded exosomes can accumulate at sites of tissue damage, and many studies suggest that MSC exosomes can be applied to cancer therapy, gene therapy, drug delivery, regenerative medicine, and other biomedical applications. Further research could reveal new and more effective ways of packaging and transferring exosomes from MSCs to recipient cells, and thereby lead to new methods of treating and monitoring various diseases..."
The rest of the transcript, along with a link to the research itself, is available on the resource itself.
The primary sources in this project, drawn from the collections at the …
The primary sources in this project, drawn from the collections at the Rockefeller Archive Center, include correspondence and diagrams that document the process of fabricating what became a 200-inch Pyrex telescope mirror. These sources can be used to strengthen critical reading skills, to support inquiry-based learning exercises, and to expose students to the stories of trial and error that lie behind most scientific or engineering breakthroughs. Students are encouraged to annotate in the margins in order to support the development of document analysis and critical thinking skills. This project contains a suggested exercise that builds on the themes of the primary source documents.
This unit will explore the concepts of bias and confirmation bias and …
This unit will explore the concepts of bias and confirmation bias and how they affect people's presentation and interpretation of data. It includes 5 days of lessons and independent work that culminate in students being able to show what bias and confirmation bias are and how they affect the way we interpret data.
Students conduct an experiment to study the acceleration of a mobile Android …
Students conduct an experiment to study the acceleration of a mobile Android device. During the experiment, they run an application created with MIT's App Inventor that monitors linear acceleration in one-dimension. Students use an acceleration vs. time equation to construct an approximate velocity vs. time graph. Students will understand the relationship between the object's mass and acceleration and how that relates to the force applied to the object, which is Newton's second law of motion.
In this activity, students will explore two given websites to gather information …
In this activity, students will explore two given websites to gather information on Bone Mineral Density and how it is measured. They will also learn about X-rays in general, how they work and their different uses, along with other imaging modalities. They will answer guiding questions as they explore the websites and take a short quiz after to test the knowledge they gained while reading the articles.
Students observe multiple examples of capillary action. First they observe the shape …
Students observe multiple examples of capillary action. First they observe the shape of a glass-water meniscus and explain its shape in terms of the adhesive attraction of the water to the glass. Then they study capillary tubes and observe water climbing due to capillary action in the glass tubes. Finally, students experience a real-world application of capillary action by designing and using "capillary siphons" to filter water.
Students learn about energy, kinetic energy, potential energy, and energy transfer through …
Students learn about energy, kinetic energy, potential energy, and energy transfer through a series of three lessons and three activities. They learn that energy can be neither created nor destroyed and that relationships exist between a moving object's mass and velocity. The associated activities give students hands-on experience with examples of potential-to-kinetic energy transfers. The activities also provide ways for students to apply the core concepts of energy through engineering practices such as building and testing prototypes to meet design criteria, planning and carrying out investigations, collecting and interpreting data, optimizing a system design, and collaborating with other research groups. The fundamental concepts presented in this unit serve as a good foundation for future lessons on energy technologies and electricity production.
Students are introduced to the concept of energy conversion, and how energy …
Students are introduced to the concept of energy conversion, and how energy transfers from one form, place or object to another. They learn that energy transfers can take the form of force, electricity, light, heat and sound and are never without some energy "loss" during the process. Two real-world examples of engineered systems light bulbs and cars are examined in light of the law of conservation of energy to gain an understanding of their energy conversions and inefficiencies/losses. Students' eyes are opened to the examples of energy transfer going on around them every day. Includes two simple teacher demos using a tennis ball and ball bearings. A PowerPoint(TM) presentation and quizzes are provided.
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