Our Earth

Crystals form before your very eyes! What sixth grader wouldn't enjoy this instructional activity on igneous rock formation? Using hot Salol, junior geologists observe the crystal formation process as the material cools. This...

Middle school science stars examine fuels and energy with a variety of activities. They begin with a KWL chart, read an informative passage, and then complete a puzzle. The puzzle itself is included. Cleverly, each piece corresponds to a...

Rocks can bend? Pupils investigate how heat and pressure produce metamorphic rocks by modeling them using clay, and then categorize samples based on observable characteristics. The lesson ends with a metamorphic rock identification...

High schoolers explore igneous rocks by observing rock samples and considering cooling rates and composition. The third installment of a five-part geology series culminates in an activity where learners use igneous rock characteristics...

Rock out with the second installment of a five-part series on earth materials and processes. Your budding geologists make observations of given rock samples and posit classification systems for rocks. They then learn about the accepted...

This slide show progresses through a comprehensive review of the grounding principles of earth science. Get down and dirty with the details of fossil fuels! Help your geologists to have a rock solid understanding of the rock cycle. The...

Sal details the chemical and mechanical makeup of the crust, mantle, and core layers of the earth. A strong addition to your geology or earth science lecture.

Aren't all rocks the same? High school earth scientists can say "definitely not!" after viewing the second in a series of seven videos. Beginning with an easy analysis and comparison of sandstone and granite, class members follow the...

Why is Earth different from other planets? What makes it so special, anyway? It's only fitting to delve into how the "parent" rock was formed in the first installment of a seven-part series about rocks and rock formation. Amateur...

If pupils think the three types of rock are classic, punk, and hard, these puzzles offer gentle correction. Scholars match the type of rock to how it formed and an example in four grid puzzles. Each requires problem-solving and...