Geology Challenge

What’s inside

• Which rock type most commonly forms when magma cools and crystallizes beneath Earth's surface?
• Which geological feature most directly indicates that two crustal blocks have moved horizontally past one another?
• Which mineral property is measured by the Mohs scale?
• What type of plate boundary commonly produces a mid-ocean ridge?
• Match each rock-forming process with the geological result it most directly produces.
• Match each tectonic setting with its characteristic geological feature.
• Match each mineral with its characteristic identification clue.
• Match each geological time interval with its defining event or development.