Chapter 3 Section 3.2 Igneous Rocks Worksheet Answers

Igneous rocks are formed from the cooling and solidification of molten magma or lava. They can originate from the Earth's interior (intrusive or plutonic rocks) or from volcanic activity (extrusive or volcanic rocks).

A mix of large and small crystals, indicating two different cooling rates. 3. Classification by Composition chapter 3 section 3.2 igneous rocks worksheet answers

The word "igneous" comes from the Latin word ignis , meaning "fire." But technically, it’s about cooling, not burning. Molten rock located underground . Lava: Molten rock that has broken through to the surface . 2. Location is Everything: Intrusive vs. Extrusive Igneous rocks are formed from the cooling and

Igneous rocks exhibit a range of characteristics, including: Lava: Molten rock that has broken through to the surface

Explain why granite is often used for countertops and monuments. Answer: Granite is an intrusive igneous rock that cooled slowly, creating interlocking crystals of quartz and feldspar. This interlocking crystal structure makes it extremely hard, durable, and resistant to weathering and scratches . It can also be polished to a high shine.