Curated OER
Preservation and the Power of Light
Students identify the effect of light on objects. In this scientific inquiry lesson, students use a chart to write a hypothesis about what will happen when colored construction paper is left in sunlight. Students observe and discuss the...
Curated OER
Turkeys and Feathers
Students play a game of tag while holding the position of turkey or feather. The turkey's are it and when they catch a feather they switch positions. Great for Thanksgiving.
Curated OER
Permutations and Combinations I
For this permutations and combinations worksheet, students read story problems and identify them as a permutation or combination. They select the correct formula and compute the answer to the problem. This one-page worksheet contains...
Australian National Botanic Gardens
International Marine Signal Flags
Learn about the Semaphore Flag Signalling System, the Semaphore Alphabet, the Alphabet flags and Numeric Pennants used by ships at sea.
![Noaa: Nautical Signal Flags [Pdf] Activity](https://static.lp.lexp.cloud/images/attachment_defaults/resource/large/FPO-knovation.png "Noaa: Nautical Signal Flags [Pdf] Activity")
NOAA
Noaa: Nautical Signal Flags [Pdf]
Read about the significance of nautical signal flags, and then make some of your own to send some messages.
Enchanted Learning
Enchanted Learning: World Flags
Enchanted Learning features this website devoted to the study of the world's flags. There are fact sheets, illustrations, current and historical flags, and related links.
Discovering Lewis & Clark
Discovering Lewis & Clark: Flags of the Expedition
Discusses the importance of flags in representing the identities of groups and countries. Presents a collection of early American flags, the Great Seal of the United States, the flags carried by the Lewis and Clark expedition, signal and...
US Army Center
U.s. Army Center of Military History: Getting the Message Through: Civil War Organization and Training
An exhaustive look at the Signal Corps, the legislation behind its formation, and its many uses during the Civil War. Find the equipment used, the code for the signal flags, and pictures of the troops. This is a very detailed and...
BBC
Bbc History: Ancient History: Romans: Discovering Roman Technology
Article examines the technology the Romans brought with them when they invaded Britain in AD 43. From their missile-throwing machines to surveying materials and signaling flags, it's easy to see how the Romans quickly overtook the native...
Other
Canadian Government: Department of Defence: Canadian Navy: Operation Stealth Comm
Semaphore Flag signals and Morse Code are explained here. These are still part of the training in the Canadian Navy despite all the technology available today.
Curated OER
Adam Hart Davis
Article examines the technology the Romans brought with them when they invaded Britain in AD 43. From their missile-throwing machines to surveying materials and signaling flags, it's easy to see how the Romans quickly overtook the native...
Curated OER
A Hand Cranked Catapult; Manuballista
Article examines the technology the Romans brought with them when they invaded Britain in AD 43. From their missile-throwing machines to surveying materials and signaling flags, it's easy to see how the Romans quickly overtook the native...
Curated OER
Reconstructed Roman Armour as It Would Have Looked
Article examines the technology the Romans brought with them when they invaded Britain in AD 43. From their missile-throwing machines to surveying materials and signaling flags, it's easy to see how the Romans quickly overtook the native...
EL Education
El Education: Tools for Sailors Ahoy, Mate!
In this lesson students learn about sailing and contribute writing, illustrations, and photographs to a class book containing information about navigation equipment, the Beaufort Scale, knots, and the signal system of flags used by...