In this United States history worksheet, students use the 15 clues in order to fill in the crossword puzzle with the appropriate answers pertaining to Arkansas.

In this chemical families worksheet, students answer 8 multiple choice questions including identifying characteristics of families in the periodic table and answering specifics about each family.

In this seeing green activity worksheet, students use the 25 clues and word bank to identify the words needed to complete the crossword puzzle.

In this earth science quiz activity, students respond to 20 short answer and true or false questions regarding earth science topics.

Students investigate Thomas Blood's attempt to steal the crown jewels. In this investigative lesson, students use four different primary sources to answer questions about how Thomas Blood tried to steal the crown jewels.

In this averages worksheet, students complete word problems containing averages of money, kilograms, height, and more. Students complete 20 problems.

In this symbols of America learning exercise, students play a game, cutting out cards of descriptions of symbols and their names and matching, complete a word scramble and visit a link given to play a symbols game.

Students examine burial customs in ancient China and Japan comparing those customs to burial traditions from other cultures. This lesson leads to group creative projects of mock "tombs".

Students are asked to explain the relationship between f(s) and f (-x). They are asked to determine how the equation of f(x) differs from the equation of f(-x). Students determine the conditions when f(x) is the same as f(-x). They graph...

Learners compare transformations of a quadratic function on a graph and determine equations of a quadratic functions based on a reflection. They graph a transformation of a function based on reflections. They etermine if a function is...

Photos of the principal gemstones produced in the United States, including an introduction to historical and other background information for each one.

Publication explores specific gemstones and the U.S. states where they are produced.

This commercial site contains general information on various synthetic and natural gemstones and provides links to specific gems.

From the Metropolitan Museum of Art this page details the Byzantine era intaglio "Intaglio Gemstone with Saint Theodore Teron Slaying a Multiheaded Dragon" with a description and images of the piece.

This page contains interesting facts on zircon, including its history, physical properties, and place of origin. Good informational site on this gemstone.

Some facts about blue topaz, which is the state gemstone of Texas.

Specific gravity is defined and explained. Practice problems are given and solved. Illustrations included as well.

Learn all about gemstones at this site. Here you can view gem images and read the very detailed descriptions and general information facts pertaining to select gems.

Site provides many facts about rubies, including properties and where rubies are found. Also provides further information and pictures of the gem itself.

This site gives a historical perspective of topaz, as well as its physical properties and where it is found. Also provides more information and pictures of the gem itself.

Online exhibition site includes video demonstration of gem-carving techniques, side-by-side comparison of intaglios and cameos, and examples of gemstones carved by ancient Greeks, some of which have been set into jewelry.

Online guide for people interested in the history and valuation of alexandrite gemstones and jewelry.

A clipart illustration by Phillip Martin titled "State Gemstone."

This encyclopedia article provides a detailed overview of the diamond. Content includes a focus on this gemstone's physical properties, the industry that surrounds it, and its history and symbolism.