In this video segment adapted from Shedding Light on Science, observe demonstrations of the fundamental idea that light travels in straight lines.
Students learn how the human body self-regulates to maintain a stable internal environment despite changes in the external environment.
Students investigate hominid evolution. They learn the difference between a relative and an ancestor, study the emergence of bipedalism, and chart patterns of hominid migration.
This article examines the sixth of seven essential principles of the climate sciences--"We Change Earth's Climate." Written for the science teacher, the article covers greenhouse gases, land-use changes, and other human-induced causes of global climate change. Each issue of the free online magazine Beyond Weather and the Water Cycle is structured around one of the seven principles. The content provides background information, lessons, and activities for K-5 classrooms.
This video segment from The Human Spark features a discussion about how human thought differs from that of chimpanzees.
In this video segment adapted from the National Film Board of Canada, learn how the Inuit people have used their traditional knowledge to understand and adapt to changes in their Arctic environment, particularly when hunting and navigating the landscape.
Students conduct their own research to discover and understand the methods designed by engineers and used by scientists to analyze or validate the molecular structure of DNA, proteins and enzymes, as well as basic information about gel electrophoresis and DNA identification. In this computer-based activity, students investigate particular molecular imaging technologies, such as x-ray, atomic force microscopy, transmission electron microscopy, and create short PowerPoint presentations that address key points. The presentations include their own explanations of the difference between molecular imaging and gel electrophoresis.
Students test the insulation properties of different materials by timing how long it takes ice cubes to melt in the presence of various insulating materials. Students learn about the role that thermal insulation materials can play in reducing heat transfer by conduction, convection and radiation, as well as the design and implementation of insulating materials in construction and engineering.
Students learn how engineers apply their understanding of DNA to manipulate specific genes to produce desired traits, and how engineers have used this practice to address current problems facing humanity. They learn what genetic engineering means and examples of its applications, as well as moral and ethical problems related to its implementation. Students fill out a flow chart to list the methods to modify genes to create GMOs and example applications of bacteria, plant and animal GMOs.
In this interactive activity from ChemThink, learn how ionic bonds are formed and how an ionic bond structure is represented by its formula.
Students act as engineers to apply what they know about how circuits work in electrical/motorized devices to design their own battery-operated model motor vehicles with specific paramaters. They calculate the work done by the vehicles and the power produced by their motor systems.
Students learn how crystallization and inhibition occur by examining calcium oxalate crystals with and without inhibitors that are capable of altering crystallization. Kidney stones are composed of calcium oxalate crystals, and engineers and doctors experiment with these crystals to determine how growth is affected when a potential drug is introduced. Students play the role of engineers by trying to determine which inhibitor would be the best for blocking crystallization.
In this video profile produced for Teachers' Domain, meet La'ona DeWilde, an environmental biologist who integrates her Athabascan heritage and her Western scientific training to help remote Alaskan villages address environmental issues.
Through scientific research, this video from The Human Spark illustrates how a child’s views of what is right and wrong can be shaped by others.
In a column devoted to interactive resoures for the K-5 classroom, this article features Recycle City, an EPA-produced, student-friendly web site designed to teach students about actions that create a sustainable community. Students will learn about recycling, reducing waste, and using less energy. The column regularly appears in the free, online magazine Beyond Weather and the Water Cycle, which focuses on the essential principles of climate literacy.
Using the web-based lessons highlighted in this article, students learn how to pose questions before, during, and after reading nonfiction, fiction, and diagrams. This reading comprehension strategy is included in the literacy column of the magazine Beyond Weather and the Water Cycle, a free, online publication for K-5 teachers.
Three types of climate proxies -- tree rings, fossils, and ice cores -- are the subjects of lessons that will help K-5 students understand that Earth's climate has been different in the past and that scientists can reveal its history. This article is from the science lessons column of the free, online magazine Beyond Weather and the Water Cycle. The magazine is structured around the seven essential principles of climate literacy and identifies age-appropriate resources for young learners.
With two simple classroom experiments and easy-to-read text, this original story is designed to introduce young learners to the greenhouse effect. The author provides different versions of the story for grades K-2 and 3-5, as well as different formats for differentiated instruction. The free online magazine Beyond Weather and the Water Cycle focuses on principles of climate literacy that are appropriate for young learners.
Light painting is a creative activity that involves creating striking images and illusions using a camera, a light source, and a little practice. Light paintings may be literal representations or impressionistic, color-filled images. When the camera shutter is open (and the room is dark) the film or digital sensor acts like a blank canvas onto which learners "paint" with a flashlight.
This is an instructor's guide for an experiment to measure electrostatic force, using parallel plates made from two washers, insulating perf-board, and aluminum foil. Photos and detailed instructions are provided for experimental setup. SEE RELATED MATERIALS for a Java simulation by the same authors on the topic of capacitance. For an Excel spreadsheet developed specifically to accompany this experiment, see link below: MIT Physics 8.02 Open Courseware: Labs