Interactive
Math Slice

Basic Math: Subtraction

For Students 3rd - 5th Standards
This resource covers basic addition where students can choose a range of numbers including negatives or even decimals. After selecting parameters students are timed completing ten problems with instant feedback and an opportunity to...
Handout
Science Struck

Science Struck: Difference Between Surface and Underground Mining

For Students 9th - 10th
Explains what surface and subsurface mining are, which ores are suited to each, their main differences, the types of mining within each category, and the advantages and disadvantages of surface and underground mining.
Handout
Other

Geology.com: Rocks: Photos of Common Intrusive and Extrusive Igneous Rock Types

For Students 9th - 10th
Explains the difference between intrusive and extrusive igneous rocks and provides pictures and descriptions of common igneous rock types in each category.
Handout
Other

The World Counts: Are We Using Up More Than What Is Available?

For Students 9th - 10th
A snapshot of what the world would be like if it lost crucial natural resources such as water, oil, and trees. Lists the causes and consequences, and ways people can make a difference.
Handout
Amethyst Galleries

Amethyst Galleries: Mineral Gallery: What Is Crystal Cleavage?

For Students 9th - 10th
After explaining the difference between cleavage and fracture, this resource discusses various types of cleavage and their importance in identifying minerals.
Lesson Plan
Alabama Learning Exchange

Alex: Minerals

For Teachers 9th - 10th
The students will gain information on the five characteristics of minerals. The information can be related to nonrenewable resources. This lesson should facilitate discussion on the difference between precious gems and semi-precious...
Handout
Other

Geo Man: What's the Difference Between an Active and Passive Continental Margin?

For Students 9th - 10th
Explains what active and passive continental margins are and where they can be found.
Activity
Math Slice

Basic Math: Counting

For Students Pre-K - 1st Standards
This resource covers counting, addition, and subtraction where students can choose a range of numbers to ten. After selecting parameters students complete ten problems with instant feedback and an opportunity to practice again.
Activity
Math Slice

Math Slice: Counting

For Students Pre-K - 1st Standards
Customizable learning exercises allow students to practice counting, adding, and subtracting up to 10 with pictures.