6th Grade Science Semester Exam

List the three forces that are at work at plate boundaries. Then draw small arrows in the boxes to show how the plates interact with each other:

A plate boundary where plates move apart from one another is called a _______ plate boundary.

A plate boundary where plates squeeze together is called a _______ plate boundary.

A plate boundary where plates slide past one another in the same direction at different speeds is called a _______ plate boundary.

A plate boundary where plates slide past one another in opposite directions is called a _______ plate boundary.

A super-continent that formed roughly 250 million years ago through continental drift, is called _______.

Who suggested the Theory of Continental Drift? _______

List the three kinds of convergent plate boundaries:

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A _______ is a seam where two or more plates meet.

What is happening to the seafloor in the Pacific Ocean, as a result of plate movement?

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