Khan Academy
Khan Academy: Minimalism and Earthworks
How much do you know about Minimalism and Earthworks sculptures? Find out by answering this six-question multiple-choice quiz. Check each answer before moving to the next question. Hints are available for each question.
Math Open Reference
Math Open Reference: Polar Area
A complete reference guide to polar area. It provides definitions, examples. and an interactive activity that enhances further explanation. Includes links to related topics.
Khan Academy
Khan Academy: Shifts in Aggregate Supply
If either the aggregate supply or aggregate demand curve shifts in the aggregate demand/aggregate supply-AD/A-model, the original equilibrium in the AD/AS diagram will shift to a new equilibrium. Increases and decreased in the price of...
CK-12 Foundation
Ck 12: Life Science: 5.2 Bacteria Characteristics
Understand the structure, characteristics, and diversity of bacteria.
NASA
Nasa Space Place: What Is a Galaxy?
This resource explores the different types of galaxies through text and images.
Educaplus (Jesús Peñas Cano)
Educaplus: Espiral De Fraser
Is this a spiral or a clever composition of circular segments intensified with triangles?
Museum of Science
Science Learning Network: Inventor's Workshop
A short piece on Leonardo da Vinci from the Science Learning Network. Placed here because a) there's a decent drawing of an Archimedes' screw, and b) there's a link to an adequate definition thereof.
Other
Sky Server: Scavenger Hunt
In this site, from the SkyServer of the Sloan Digital Sky Survey users hunt for stars, galaxies, quasars, asteroids and meteors. Learn what they look like and how to find them.
NASA
Nasa: The Space Place
This site from NASA's Space Place is geared towards early elementary learners. It offers detailed instructions for crafts and activities related to space, games and a teacher resource area. Students can also ask an expert at this site.
Education.com
Education.com: Different Types of Galaxies
[Free Registration/Login Required] A downloadable worksheet that looks at the features of three types of galaxies.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is a Galaxy?
Explains what galaxies are and their different shapes. Includes details on the Milky Way.
Curated OER
Ar Kive: Narwhal (Monodon Monoceros)
Famous for its unicorn-like single tusk, narwhals have inspired legends in many cultures and are still revered across the world. The smooth, white tusk is normally found only on males and is the result of extreme growth of the left...
Curated OER
Eternal Egypt: Painted Ceramic Urn
The painted hydria, or three-handled water jug, of Hadara was made of ceramic. The hydria is a product of the Laurel atelier, or workshop: the neck is decorated with laurel leaves, and on the shoulder a palm framed with volutes, which...
Curated OER
Eternal Egypt: Plate With a Broad Rim
A silver plate with a broad rim that is decorated with spiral foliage. Plates of this kind were made in Europe, especially for the family of Mohammad Ali.
Curated OER
Eternal Egypt: Round Bodied Lamp With Monogram
The round-bodied lamp has a monogram and a cross in the center. The handle has two ridges on the top and the wick opening is round with a spiral ornament above it.
Curated OER
Wikipedia: National Historic Landmarks in Georgia: Carmichael House
Greek Revival house from 1840s, with a spiral staircase in a central tower.
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Column
Column with spiral ornament from Persepolis. -D'Anvers, 1895
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Fax
A torch. In the annexed woodcut, the female figure is copied from a fictile vase. The winged figure on the left hand, asleep and leaning on a torch, is from a funeral monument at Rome. The other winged figure represents Cupid as Lethaus...
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Fusus
The spindle, was always, when in use, accompanied by the distaff, as an indispensable part of the same apparatus. The wool, flax, or other material, haing been prepared for spinning, was rolled into a ball, which was however,...
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Gallic Iron Helmet
Iron Helmet used in the Gallic War with horns and a spiral decoration.
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Lituus
Probably an Etruscan word signifying crooked. 1. The crooked staff borne by the augurs, with which they divided the expanse of heaven, when viewed with reference to divination, into regions. It is very frequently exhibited upon works of...
Curated OER
Science Kids: Science Images: Chameleon
A side on photo of a chameleon with a spiral tail sitting on the branch of a tree. Some chameleons have the ability to change color. Learn more about chameleons and other different types of lizards by checking out our range of fun lizard...
Curated OER
Science Kids: Science Images: Biocomplexity Diagram
This biocomplexity spiral diagram depicts the multileveled complexity of organisms in their environments, including molecular, cellular, habitat, ecosystem and others.
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