Eyewitness Oceans

Which civilization thought that a river ran around the edge of the world?

• Greece
• Egypt

What is the name of the ancient supercontinent?

• Pangea
• Pantholos

Tags

NGSS.MS-ESS2-3

What is the name of the ancient superocean?

• Pantholos
• Pangea

Where are the deepest points on Earth?

• Ocean trenches
• Mid Ocean Ridges

What is the largest structure built by organisms?

• The Great Barrier Reef in Australia
• The Great Pyramids of Giza

What are the smallest types of organisms found in the ocean?

• plankton
• zooplankton

If all of the salt was extracted from ocean water and placed on land, how deep would it be?

• 5 feet
• 20 feet

Where is the saltiest sea?

• The Dead Sea
• The Indian Ocean
• The Great Salt Lake
• The Mediterranean Sea

Differences in the amount of ____________ in water can cause underwater (density) currents.

• salt
• pollution

What object was used to chart the direction of surface currents?

• Notes in bottles
• Canon balls on ropes