Igneous Rocks [Worksheet]

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Content:

• Definition of igneous rock
• Magma and lava
• Formation of igneous rocks
• Characteristics of igneous rocks
• Grain size and cooling time
• Extrusive and intrusive igneous rocks
• Mafic and felsic igneous rocks
• Common igneous rocks
• Uses of igneous rocks

Includes:

• Unit outline.
• Cloze activity (fill in the blanks).
• Short-answer questions.
• Extension questions.
• Topics for further research.
• Teacher version containing complete answers.

Learning outcomes:

• Differentiate between magma and lava.
• Describe the formation of igneous rocks.
• Describe the characteristics of igneous rocks, including their hardness, colour and grain size.
• Relate the characteristics of igneous rocks with their composition and formation.
• Compare extrusive and intrusive igneous rocks.
• Differentiate between mafic and felsic igneous rocks.
• Explain how intrusive igneous rocks can become exposed on Earth's surface.
• Describe and differentiate between common igneous rocks.
• Discuss some common uses of igneous rocks.

This worksheet is included in the Rocks and Minerals Worksheet Bundle, which contains the following worksheets:

• Rocks and the Rock Cycle
• Igneous Rocks
• Sedimentary Rocks
• Metamorphic Rocks
• Identifying Minerals

* Files are printable, non-editable PDFs.