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Mainland Aggregates, Ltd: Many Uses of Sand
This infographic includes a calculation for how many grains of sand are on the Earth. It discusses what sand is, its history of use by humans, and its many uses in modern times.
University Corporation for Atmospheric Research
Ucar: Paleoclimates and Pollen
In this extensive lesson, students examine and investigate pictures of pollen grains to determine the likely climate at the time the pollen was shed.
Other
Tour Italy: Agriculture in the Roman Empire
This site discusses the importance of agricultural products, particularly grain, as trade products of the Early Roman Empire.
Other
History Blog: Family Looking for Broken Sewer Pipe Finds 2,500 Years of History
A fascinating story about a family in Lecce, Italy, who made a major archaeological discovery while digging under their house to find the source of a problem in the pipes that led to a toilet. What they found instead was an entire...
CK-12 Foundation
Ck 12: Colloids and Suspensions
[Free Registration/Login may be required to access all resource tools.] In this lesson, students expand their study of mixtures to show that solids and gases can also act as solvents. Additionally, they take a look at situations in which...
Other
This Is Sand
Remember sand art? Now you can experience all the fun without the mess. Drag and drop streams of virtual sand grains to create surreal landscapes of color. The perfect marriage of Flash programming and artistic inventiveness.
Science Buddies
Science Buddies: He Huffed, and He Puffed, but Didn't Blow the House Down!
In the fairy tale of the three little pigs, the wolf huffed and puffed and blew down the first pig's straw house. But in reality, straw tied into bales is a viable building material that when used properly, makes sturdy and...
World Food Programme
Free Rice: English Vocabulary
This vocabulary game helps students learn vocabulary and while earning free rice to feed the hungry. When they answer correctly, the next word gets more difficult and 10 grains of rice are donated to the United Nations World Food...
World Food Programme
Free Rice
This vocabulary and grammar site provides free quizzes. The site will donate grains of rice to the World Hunger Programme for each correct answer.
PBS
Pbs Learning Media: Fizzy's Lunch Lab
Fizzy's Lunch Lab provides an informative overview of food and nutrition topics with an emphasis on fruits, vegetables and whole grains. The Lunch Lab will provide practical and positive examples of healthy eating and regular exercise...
San Diego Zoo Global
San Diego Zoo: Kids: Bee
Bees fly from flower to flower, sipping nectar and collecting grains of pollen. Bees have a special tongue that sucks up the nectar and a crop in their throat for storing it until they get back to the hive, where it is turned into honey...
Other
National Gallery of Art: Against the Grain the Woodcuts of Helen Frankenthaler
A collection of 43 woodcuts that echo the same expressionistic style as Frankenthaler's more well known paintings.
Forum Romanum
Outlines of Roman History: Reforms of Tiberius and Gaius Gracchus
This chapter in William Morey's 1901 text discusses the land reforms of the Gracchi brothers. Find out how well they worked and the problems they caused.
Forum Romanum
Outlines of Roman History: Augustus and the Roman World
William Morey, in his 1901 textbook, explains Augustus' administration of the three parts of the Roman Empire, Rome, Italy, and the provinces.
US Department of Agriculture
U.s. Department of Agriculture: Choose My Plate
The U.S. Government's official resource for sound nutritional information points out that eating right can be as simple as increasing some categories of foods while reducing others. Basic information on food groups combined with...
Travel Document Systems
Tds: Liberia: History
A thorough look at the history of Liberia with an emphasis on the civil war and the recent recovery from that unstable time. Information is from the U.S. State Dept. Background Notes.
Wessels Living History Farm
Wessels Living History Farm
The Wessels Living History Farm of York County, Nebraska, offers a look at what it was like to live on a Great Plains farm in the 1920s. The farm's attractive and well organized website includes interviews with people who remember life...
Texas Instruments
Texas Instruments: Numb3 Rs: Pile It On
Based off of the hit television show NUMB3RS, this lesson focuses on the age-old problem of whether to accept a large sum of money, or to accept a proposition in which a chessboard is filled with grain (each square getting double the...
Alabama Learning Exchange
Alex: Find a Pattern Using Children's Literature
Students use the problem-solving strategy of "find a pattern" to predict the number of grains of rice Rani (from the book, One Grain of Rice: A Mathematical Folktale by Demi) will receive after 30 days. Students use a spreadsheet to...
University of Michigan
University of Michigan: A Taste of the Ancient World
A collection of articles on the various types of foods consumed in the ancient Greco-Roman world. Clicking on the items will provide information and pictures. Examples include grain, grapes, olive oil, fish and more.
University of California
Ucmp: A Virtual Exploration of the Beach
This site focuses on the following questions:1. What are the divisions of a beach?2. How does energy vary along the beach area?3. How does grain size vary along the beach in response to wave energy?
Science Education Resource Center at Carleton College
Serc: Igneous Rocks Model
Students use samples of four different types of igneous rocks to observe differences in texture, color, and grain size, and then make inferences about the relative cooling histories and silica content associated with each magma type.
Science Education Resource Center at Carleton College
Serc: Angle of Repose
In this activity, young scholars measure the maximum slope at which grains are stable (the angle of repose). They explore how different properties of the sediment influence slope stability and lead to different slope failures (mass...
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