Earth Science for Middle School

What’s inside

• Which layer of Earth is made mostly of solid iron and nickel?
• What process directly causes most earthquakes?
• Which instrument is used to measure and record earthquake waves?
• Which statement best explains why the seasons occur on Earth?
• Match each Earth layer with its best description.
• Match each rock type with the process that forms it.
• Match each weather instrument with what it measures.
• Match each plate boundary with its characteristic movement.