Deep Blue Sea

What are hydrothermal vents?

• Hot springs on the ocean floor

• Cold springs in the Arctic

• Nuclear reaction

• Underwater volcanoes

Ocean floras are plants in the water.

• True

• False

What is an estuary?

• An estuary is when lakes and rivers mix.

• An estuary is where the waterfalls collide.

• Estuaries are where a river meets the ocean or a Great Lake.

• An estuary is where the river and the ocean mix

Tags

NGSS.MS-ESS2-4

What does sonar mean?

• a big depth-sounding mechanism: calculates ocean depth using sound

• an electronic depth-sounding mechanism: calculates ocean depth using sound

• a small depth-sounding mechanism: calculates ocean depth using sound

Ocean fauna are fish in the Mariana trench

• True

• False

Tags

NGSS.MS-LS2-3

There are 13 seas in total in the whole world.

• True

• False

Which is the biggest ocean in the world?

• The Atlantic Ocean

• The Indian Ocean

• The Arctic Ocean

• The Pacific Ocean

What is the biggest sea in the world?

• The Arabian Sea

• The Phillipine Sea

• The Hudson Bay

• The Mediterranean Sea