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Figure 2.17 (OpenStax, Biology 2e) caption: The adhesive forces exerted by the glass' internal surface exceeding the cohesive forces between the water molecules themselves causes capillary action in a glass tube. (credit: modification of work by Pearson-Scott Foresman, donated to the Wikimedia Foundation)
(Source: OpenStax)
Some plants have leaves and some have needles, but they all need a way to absorb sunlight, nutrients, air, and water. Shares a basic overview of plant structure and the essential role plants have on earth. Defines deciduous, coniferous, photosynthesis, and capillary action. Suggests several classroom experiments.
(Source: DCMP)
How do biologists answer questions and solve problems? Within the context of answering this question, data collection, recording, and analysis are overviewed. Examines two animal behaviors: feeding and communication. Illustrates the different behaviors of lions, alligators, and chimpanzees, and then highlights the "waggle dance" used by bees. Supports the learning of these concepts in tandem with the textbooks also offered by the publisher.
Take a look through a microscope at a virus attacking a cell and see the immune system in action. Viruses continue to replicate until they break apart the host cell and start spreading throughout the body, destroying healthy cells along the way. The immune system overpowers a virus with white blood cells and creates the antibodies that kill the same types of viruses quickly if they return.
Weather is the state of the atmosphere, and it refers to the day-to-day temperature and precipitation activity. The difference between air pressure, temperature, and moisture influence weather-related phenomena. Other topics covered include evaporation, relative humidity, clouds, precipitation, rain gauge, air mass, front, thunderstorm, hurricane, tornado, weather forecast, meteorologist, and satellite imagery.
Professor Lawrence Gilbert and his team at the University of Texas at Austin have discovered a population of tropical butterflies that exemplify "evolution in action," and a rare research opportunity. Gilbert says they may be witnessing a species of butterfly splitting into two different species. The stars of this research are the Heliconius butterflies, found in Central and South America. Despite the genetic similarities between the two groups of the butterflies, one group is showing a color preference during mating. With support from the National Science Foundation, Gilbert and his team are working to gain insights about genetics, behavior, ecology, and evolution.
The geologic processes of mountain building, seafloor spreading and volcanoes are a few examples of the power of plate tectonics. Footage filmed on-location in Iceland, the Canadian Rockies, and Crater Lake help viewers understand the theory of plate tectonics. Colorful animations illustrate the movement of tectonic plates and the role this plays in the development of geologic features. Other terminology includes: theory of continental drift, mid-ocean ridge, plate boundaries, subduction, convergent boundary, and divergent boundary.
Dr. Riki Ott is a whistle blower who predicted the Exxon Valdez oil spill before it happened. She is also a toxicologist, author, and activist who spent time organizing the Gulf Coast communities in response to the BP Deepwater Horizon disaster. Various citizen groups have followed Dr. Ott's example to change and strengthen efforts to curb oil pollution of America's lands, rivers, and coastal waters.
In contrast to the peaceful wildlands featured in the prior segments, the urban campus of the University of California-San Diego (UCSD) seems like an unlikely place to find field biologists studying juncos. But in the early 1980s, some juncos decided to make this atypical urban and coastal habitat their year-round home. Since then, scientists have documented a remarkable array of changes in the physical traits, behaviors, and physiology of the colonist population of juncos at UCSD when compared to juncos from the nearby native range. Part of Ordinary Extraordinary Junco (Chapter 6).
Why do we gesture? What role do simple hand movements play in some of the most fundamental aspects of language? Susan Goldin-Meadow has dedicated her career to asking, and answering, those big questions. In her lab at the University of Chicago, she studies gesture’s role in cognition, development, and the acquisition of verbal language. Part of the Scientists and Engineers On Sofas Series.
Part of the "Chemistry in Action" series. Describes and illustrates the process of chemical bonding through live action footage and animations. Provides an overview of the role atomic structure plays in the process of bonding. Provides examples of how chemical bonding, including ionic bonds, covalent bonds, and metallic bonds, affects the characteristics of matter. Introduces the following terminology: element, atomic structure, energy level, valence electrons, ionic bonds, crystal lattice, covalent bond, and metallic bond.
Vivid, live-action footage of birds from throughout the world illustrate the lives of birds. Concepts and terminology include feathers, wings, skeleton, flight, and eggs.
Live-action weather footage helps students learn how they can observe the weather. Concepts and terminology discussed include: temperature, air pressure, weather systems, precipitation, and wind.
Human actions can have positive and negative impacts on Earth. Students will learn ways to make sure they help preserve the Earth.
Live-action footage conveys basic features of the major invertebrate groups. Special attention is paid to the body structure and physical features of simple animals. Other terminology includes backbone, sponge, sea anemone, radial symmetry, planaria, earthworm, bilateral symmetry, exoskeleton, segmented body, and jointed appendages.
Marine biologists spend years trying to perfect a technique to help rescue one of the biggest creatures on the planet: the right whale. Then, oil washes ashore during a spill, and rescuers spring into action to save hundreds of sea turtles. Part of the "Sea Rescue" series.
Features a device that indicates the direction and force of an earthquake. Overviews odometers, the compass, gimbals, intricate differential gears, double-action piston bellows, and continuous flamethrowers. Also relates how rudders, bulkheads, and fore and aft sails enable a ship to sail against the wind.
Live-action, colorful footage illustrates the exciting, natural highlights of summer. Activities of plants and animals during the summer season are explored. Additional concepts and terminology include: growth, development, seeds, food storage, recreation, and solstice.
Shows the structure, behavior, and life cycles of planarians and their free-living relatives (class Turbellaria). Illustrates the bizarre life cycles of flukes (class Trematoda) and tapeworms (class Cestoda) with detailed animations and revealing images of these parasites in action.
Part of the "Chemistry in Action" series. Numerous real-life examples of elements are exemplified in the table. Animations and graphics illustrate concepts not easily achieved through other instructional strategies. Specific patterns in the periodic table are highlighted. Introduces the following terminology: atomic structure, atomic number, atomic mass, periods, and families.
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A collection of Chemistry related resources
A collection containing 67 resources, curated by Benetech
Resources to teach younger students about animals
A collection containing 58 resources, curated by DIAGRAM Center
