Worksheet
Curated OER

Sponges, Cnidarians, Flatworms, and Roundworms

For Students 9th - Higher Ed
In this simple animals worksheet, students review the characteristics of sponges, cnidarians, flatworms, and roundworms. This worksheet has 12 matching questions.
Worksheet
Curated OER

Pronoun Agreement Exercise

For Teachers 4th - 7th
In this pronoun agreement instructional activity, students must fill in the blanks of a passage with the correct pronoun. Students read a passage on intercultural marriage and fill in the blanks.
Handout
Wikimedia

Wikipedia: International Date Line

For Students 9th - 10th
Wikipedia offers information on the International Date Line, an imaginery line that offsets the hours added as one travels east through time zones.
Article
Mocomi & Anibrain Digital Technologies

Mocomi: What Is the International Date Line?

For Students 2nd - 8th
Discover interesting and fun facts about the International Date Line.
Website
Wolfram Research

Wolfram Science World: International Date Line

For Students 9th - 10th
This website provides a good general definition of the International Date Line.
Article
Mocomi & Anibrain Digital Technologies

Mocomi: Prime Meridian Facts and Information

For Students 2nd - 8th
Discover fun facts about the International Date Line while learning about the Prime Meridian and Greenwich Meridian Time.
Handout
Wikimedia

Wikipedia: Prime Meridian

For Students 9th - 10th
This site from the Encyclopedia Wikipedia provides an encyclopedia article on the prime meridian discusses the important principles were established at the International Meridian Conference in 1884.
Unit Plan
University of Hawai'i

University of Hawaii: Time Zones

For Teachers 3rd - 5th
This site is provided for by the University of Hawaii. Students will learn about the purpose of time zones and then use time zone maps to calculate the time and day in a specific area.
Graphic
Other

World Time Zone: Map With Current Time

For Students 9th - 10th
See a map of the whole world with the current time given for each time zone. Also, find time zone maps of selected areas, countries observing daylight saving time, a sun clock showing the day/night areas of the world, and what the time...
Website
PBS

Pbs Nova Online: Lost at Sea the Search for Longitude

For Students 3rd - 8th
"The quest for a reliable method to find your way at sea was one of the thorniest problems of the 1700s." Find out about the search for longitude at this NOVA site. Includes interactive Shockwave game, learning activities and more.