According to Bowen’s Reaction Series, which mineral crystallizes first from cooling magma?

Which statement best describes how igneous rocks form?

Examine the photo of the sedimentary structure below.  Select the structure, description of environment, and the energy conditions at the time the sediment was deposited. (Hint: there are 3 correct answers!)

Match each intrusive body with its correct description:

A geologist observes two igneous rocks with the same mineral composition. One rock has large, visible minerals (crystals), while the other has very small minerals that are difficult to see without magnification. Explain why the minerals sizes are different and what this tells you about where each rock formed.

Which of the following statements best describes igneous rocks?

Match each sedimentary rock with its correct description:

Which of the following is not a characteristic used to identify a mineral?

A contractor installs a decorative stone on the exterior of a building. After several months of exposure to rainwater, parts of the stone begin to slowly dissolve and show surface damage. What mineral is most likely present in the stone? Explain why this mineral reacts this way and describe the geologic process responsible for the damage.

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