OCEAN GEOGRAPHY AND
GEOLOGY WARM-UPS
Unit 2
WARM-UP 1: EARTH’S WATER
1. 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
Video: Exploring Oceans
MATCH THE BASIN NAME WITH THE PICTURE: 1. PACIFIC 2. INDIAN 3. ARCTIC 4. ATLANTIC
A
B
C
D
WARM-UP 3: SAFETY
FOR EACH OF THE FOLLOWING, ANSWER TRUE OR FALSE
1. 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: PANGAEA
1. 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 REVIEW
1. 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 PROFILE
IDENTIFY EACH OF THE LETTERED FEATURES.