OCEAN GEOGRAPHY AND GEOLOGY WARM-UPS

Unit 2

WARM-UP 1: EARTH’S WATER1. APPROXIMATELY, WHAT PERCENT OF THE EARTH’S

SURFACE IS COVERED WITH OCEAN WATER?2. WHERE DO ALL THE OCEAN BASINS CONNECT?3. NAME THE FOUR MAJOR OCEAN BASINS.4. GIVE AN EXAMPLE OF A BODY OF WATER THAT MIGHT

CONNECT THE BASINS TOGETHER.

WARM-UP 2: OCEANS AND MAJOR BODIES OF WATER

MATCH THE BASIN NAME WITH THE PICTURE: 1. PACIFIC 2. INDIAN 3. ARCTIC 4. ATLANTIC

A B DC

Video: Exploring Oceans

WARM-UP 3: SAFETYFOR EACH OF THE FOLLOWING, ANSWER TRUE OR FALSE1. ALWAYS RETURN UNUSED CHEMICALS TO THEIR ORIGINAL CONTAINERS.2. LABELS AND EQUIPMENT INSTRUCTIONS MUST BE READ CAREFULLY

BEFORE USE.3. WASH BOTTLES SHOULD ONLY BE USED AS INTENDED.4. IT IS OKAY TO LEAVE A LIT BURNER UNATTENDED.5. HOT AND COLD GLASS HAVE THE SAME VISUAL APPEARANCE.6. WHEN WASHING GLASSWARE, IMMERSING HOT GLASSWARE IN COLD

WATER IS ACCEPTABLE.7. IF A CHEMICAL SHOULD SPLASH IN YOUR EYES OR ON YOUR SKIN,

IMMEDIATELY FLUSH WITH RUNNING WATER FOR 5 MINUTES.

WARM-UP 4: GEOLOGY BASICS

1. NAME THE FOUR DIVISIONS (LAYERS) OF THE EARTH AND THEIR RESPECTIVE STATES OF MATTER (SOLID, LIQUID, ETC.).

2. HOW DID THE PARTICLES SETTLE AS EARTH COOLED?3. WHAT ARE THE DIFFERENCES BETWEEN

CONTINENTAL CRUST AND OCEANIC CRUST? (AT LEAST TWO FACTS EACH!!)

WARM-UP 5: LAYERS OF THE EARTH

1. DESCRIBE EACH OF THE FOUR DIVISIONS (LAYERS) OF THE EARTH. INCLUDE INFORMATION ABOUT TEMPERATURE AND CHEMICAL COMPOSITION.

2. WHAT IS THE ASTHENOSPHERE?

3. MATCH THE LETTER ON THE DIAGRAM WITH THE FOLLOWING TERMS: MANTLE, CRUST, OUTER CORE, INNER CORE

WARM-UP 6: PLATE TECTONICS

1. HOW IS EARTH’S LITHOSPHERIC CRUST DIVIDED?2. WHAT CAUSES CRACKS TO FORM IN THE

LITHOSPHERIC CRUST?3. NAME ONE WAY PLATE BOUNDARIES COULD BE

IDENTIFIED.

WARM-UP 7: TRENCHES AND PLATE BOUNDARIES

1. WHY ARE THE PACIFIC COASTLINES KNOWN AS THE RING OF FIRE?

2. WHAT TYPE OF FEATURE MIGHT FORM AT A DIVERGENT PLATE BOUNDARY?

3. WHAT TYPE OF FEATURE MIGHT FORM AT A CONVERGENT COLLISION PLATE BOUNDARY?

4. WHAT TYPE OF FEATURE MIGHT FORM AT A SUBDUCTION PLATE BOUNDARY?

WARM-UP 8: OCEAN GEOLOGY REVIEW

IDENTIFY THE PROCESS OCCURRING OR THE NAME THE FEATURE AT EACH OF THE LETTERS A-G.

WARM-UP 9: PANGAEA1. WHO CAME UP WITH THE IDEA OF PANGAEA?2. WHAT IS PANGAEA?3. WHAT ARE SOME OF THE PIECES OF EVIDENCE USED

TO ORIGINALLY SUPPORT THE PANGAEA THEORY?4. WHY DID THE SCIENTIFIC COMMUNITY ORIGINALLY

NOT BELIEVE THE THEORY?

WARM-UP 10: SEA-FLOOR SPREADING

1. WHAT OBSERVATIONS ABOUT THE MID-ATLANTIC RIDGE REGION PROVIDES THE BEST EVIDENCE THAT THE SEAFLOOR HAS BEEN SPREADING?

2. TRUE/FALSE: ROCK IN THE MID-ATLANTIC RIDGE IS OLDER THAN 3 BILLION YEARS.

3. WHAT ARE THE PIECES OF EVIDENCE USED TO SHOW SEAFLOOR SPREADING IS REAL?

4. WHO WERE THE GEOLOGISTS WHO CAME UP WITH THE THEORY OF SEA-FLOOR SPREADING?

WARM-UP 11: TEST REVIEW1. GIVE THE NAME TO THE PART OF THE MID-ATLANTIC RIDGE THAT IS ABOVE

WATER.2. CRACKS IN THE CRUSTAL PLATES ARE CALLED .3. WHICH OCEAN IS GETTING WIDER? WHY?4. DEFINE PLATE TECTONICS.5. WHERE ARE THE OLDEST ROCKS ON THE PLANET FOUND?6. WHAT IS A SUBDUCTION ZONE?7. WHERE ARE THE YOUNGEST SEA-FLOOR ROCKS FOUND?8. WHO ORIGINALLY PROPOSED THE IDEA OF CONTINENTAL DRIFT?9. WHICH IS THE LARGEST OCEAN?

WARM-UP 12: OCEAN FLOOR PROFILEIDENTIFY EACH OF THE LETTERED FEATURES.