Lesson Plan
Curated OER

Strong Chemistry

For Teachers 6th - 8th
Middle schoolers research and create a poster about a gemstone. In this mineral properties instructional activity, students view a video about diamonds. They discuss the properties of minerals and choose a gemstone to research and create...
Worksheet
Curated OER

Science Quiz: Earth Quiz

For Students 5th - 10th
In this earth science quiz worksheet, students respond to 20 short answer and true or false questions regarding earth science topics.
Worksheet
Curated OER

UK Number Problems

For Students 4th - 6th
Young mathematicians can work these word problems to practice applying their two-digit multiplication and division to the 12s. Designed for use by learners in the UK, money problems are in denomination of pounds and pence, and cultural...
Worksheet
Curated OER

Averages Word Problems

For Students 5th - 8th
In this averages worksheet, students complete word problems containing averages of money, kilograms, height, and more. Students complete 20 problems.
Worksheet
Curated OER

Chemical Families Quiz

For Students 10th - 12th
For 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.
Handout
Other

International Colored Gemstone Association: Ruby

For Students 9th - 10th
Site provides many facts about rubies, including properties and where rubies are found. Also provides further information and pictures of the gem itself.
Handout
Jewelry Central

Jewelry Central: Ruby

For Students 9th - 10th
This commercial site gives information on rubies, including their physical properties and where they are found. Includes some details on how to choose a ruby for purchase.
Handout
Amethyst Galleries

Amethyst Galleries: Mineral Gallery: Ruby

For Students 9th - 10th
This site gives general information about the gem, ruby. Also included is information about hardness, color, uses, and other physical characteristics
Handout
Jewelry Central

Jewelry Central: Gemstones

For Students 9th - 10th
This commercial site contains general information on various synthetic and natural gemstones and provides links to specific gems.
Website
Other

Swiss Gem Shop: Ruby

For Students 9th - 10th
This is a commercial site, but it has some very good complete information and pictures. You must search for "ruby" in the alphabetized list on the left toolbar.
Handout
Wikimedia

Wikipedia: Ruby (Gemstone)

For Students 9th - 10th
This site from the Wikipedia encyclopedia gives a definition and information on hardness, value determination, and natural versus artificial rubies. Links are provided throughout for additional information on related subjects.