Earth science ideas click fastest with real practice. This set gives your Grade 9-12 class ninety questions on sea floor spreading, aligned to the same NGSS performance expectation.

Sample questions include "What evidence supports the theory of sea-floor spreading?", "Which of the following best describes the age distribution of oceanic crust?", and "Which geological feature is formed primarily due to sea-floor spreading?"

What's Inside?

• 30 Multiple Choice questions as a separate print ready PDF worksheet
• 30 True or False questions as a separate print ready PDF worksheet
• 30 Short Answer questions as a separate print ready PDF worksheet
• Includes Answer Key with Explanations for all 90 questions
• 6 print ready PDF files, 28 pages in total

All three worksheets cover the same topic in different question styles. That means you can use one as a pretest, another for practice or homework, and the third as a follow up quiz, without students ever seeing the same question twice.

Ways to Use This Resource

• Review station before a lab or field activity
• No prep cover lesson for a substitute teacher
• Self checking practice, since every answer key includes explanations
• First look diagnostic to plan your unit
• Bell ringers and warm ups during the unit

This set is part of a NGSS aligned earth science unit. The unit also covers Continental Drift Over Deep, Orogenic Events and Mountain, Tectonics and Earth's Rock, Formation of Ocean Basins, Paleo Plate Reconstructions, and Plate Motion’s Role, all in the same three worksheet format, so your classroom routine stays familiar while the topic changes.

Suitable for Grade 9-12 earth science classes, and for review at any point in the school year. This set is aligned to NGSS standard HS-ESS2-2.