All rocks include two or more minerals but greatly vary in appearance. The online interactive encourages scholars to match the rock types to the facts they know about each. They then complete three grid puzzles reviewing the same information. For those without Internet access, the resource offers a worksheet with the same content.

Concepts

rocks, types of rocks, sedimentary rocks, metamorphic rocks, igneous rocks

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Additional Tags

science

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Instructional Ideas

• Review the difference between intrusive and extrusive igneous rocks before starting the grids

Classroom Considerations

• Requires prior knowledge of four types of rocks, how they formed, their appearance, and an example
• Assumes pupils can quickly solve Sudoku-style puzzles

Pros

• Each grid becomes increasingly more difficult
• Allows for differentiation by using the online or worksheet version

Cons

• None

Common Core

RST.6-8.4 RST.9-10.4 RST.11-12.4