In this activity, students observe a model of a waterwheel to investigate the transformations of energy involved in turning the blades of a hydro-turbine into work. Students work as engineers to create a model for a new waterwheel while considering resources, such as time and materials, in their design. Students also discuss and explore the characteristics of hydropower plants.
Time-light and shadow (pre-visit)
Students examine the interplay of the earth and the sun by studying shadows. Students construct a sun clock and record shadows several times during a school day in order to use the earth and the sun to measure time.
Create your own Insect!
An activity that informs children about the appearance of insects, i.e., their head, thorax and abdomen, and allows them to create their own model.
Parallel Axes Theorem
Fact-sheet with a worked example on the use of the parallel axes theorem.
"All That Is Passed Away": A Young Indian Praises U.S. Government Policy in the Late 19th century
Federal officials and reformers regarded education as the linchpin in the government's efforts to Americanize and assimilate Native Americans, which became the dominant federal policy starting in 1887. They placed the greatest stock in off-reservation boarding schools, because they removed Indian youths from their home environment and culture. The U.S. Training and Industrial School founded in 1879 at Carlisle Barracks, Pennsylvania, was the model for most of these schools. Ellis B. Childers, a
History of Geology
The Mineral Resources of New South Wales provides a brief history of geology with a focus on Australian geologic history. The site contains information on the classical period, Medieval and renaissance times, 17th and early 18th centuries, geology becoming a science, the establishment of the geological time scale, the development of geology in Australia and other geological advancements. Users can also follow links to additional geologic information and a historic photo gallery.
Distribution of Active Volcanoes
On this website, Starting Point Teaching Collection explains the Distribution of Active Volcanoes exercise. This worksheet is intended to direct students working independently in a 6-week exercise on volcanoes within an online geology course. The exercise consists of a series of questions plus helpful links and a map. The students collect and plot data, then interpret the results and answer questions about the geologic causes and the human effects of volcanic eruption. The exercise includes indi
Groundwater Pump Test
In this lab, students conduct a groundwater pump test and interpret aquifer properties. Creating a use context for this lab, this website describes the learning goals, provides teaching notes, materials and assessment recommendations, and links the user to additional resources and references. This laboratory activity is part of the Starting Point Collection.
Learn which everyday objects contain nanotechnology.
American Museum of Natural History-Resources for Learning
This site presents a collection of scientific learning resources for educators, parents, kids, after-school coordinators, informal learning center staff, and anyone else interested in teaching or learning about science. The site provides a searchable database of resource materials, including activities (computer based and otherwise), curriculum materials, articles, evidence and analytical tools and procedures, exhibition materials, reference lists, and special collections of resources organized
Representing History: North Korea - Behind the Wire
This unit introduces students to North Korea, a communist country that is seen by the West as an autocratic regime in contrast to the democratic, capitalist South Korea. Students will examine how their preconceptions as an audience affect their understanding of this documentary.
Protesting Corporate Globalization
In this lesson students will explore the different ways that corporate globalization affects society.
Test: "Vana-Kreeka kultuur ja ajalugu"
Test teadmiste kontrollimiseks "Vana-Kreeka kultuur ja ajalugu" MS Word
Fly on a leaf
Flies are insects that eat dead plant and animal material. Their ingestion and digestion of detritus leads to respiration and excretion of important nutrients back into the soil and water.
Magic, Witchcraft, and the Spirit World, Fall 2003
Spiritual, magical, and "occult" aspects of human behavior in anthropological and historical perspective: magic, ritual curing, trance, spirit possession, sorcery, and accusations of witchcraft. Material drawn from traditional nonwestern societies, medieval and early modern Europe, and colonial and contemporary North America.
Breakingviews: What it will take to beat President Obama
Reuters Breakingviews editors debut a new economic calculator designed to predict the outcome of 2012 presidential election.
Romney set to make Republican history, says Green
Jan. 4 - Republican campaign veteran Lloyd Green says former Massachusetts Governor Mitt Romney is certain to win New Hampshire, but South Carolina could be very bruising.
Passing Notes to Exchange Ideas
Lesson ObjectivePass notes to share ideas about a quotation and generate discussion. Questions to ConsiderHow does this strategy help students build on each other's ideas?What about this strategy helps students participate in the follow-up class discussion?How could you use this idea with a variety of concepts?
Tonsillectomy and Adenoidectomy
This patient education program explains what a tonsillectomy and adenoidectomy is, including its benefits and risks. This is a MedlinePlus Interactive Health Tutorial from the National Library of Medicine, designed and developed by the Patient Education Institute.
Dr. Lisa's Non-Toxic Cleaning Tips: Make Own Cleaning Agent
This short video shows how to combine some lavender and water to make an antibacterial agent. It also show how you can put rubbing alcohol on a cotton swab and rub the keys of your remote. After that, you can use a fabric softener to get rid of soap scum. Finally for
your moldy refrigerator you can use bleach and water to get rid of the