The Deep Blue Sea

What almost stopped the explorers from taking their submarine all the way to the bottom of the ocean?

• A faulty exhaust pipe

• A damaged periscope

• A cracked window

• The men experienced terrible nausea

Why does the octopus shoot black ink into the water?

• to catch food

• to hide and escape from danger

• to help it swim

• to find a mate

The deepest parts of the ocean are called

• trenches

• abyss

• deep sea plain

• guyot

Tags

NGSS.MS-ESS2-3

Which 2 animals can change the color of their skin?

• manta ray

• walrus

• sea horse

• octopus

Tags

NGSS.MS-LS4-4

Which kind of turtle is the biggest turtle in the world?

• box turtle

• snapping turtle

• red eared slider

• leatherback turtle

Which ocean animal is the largest mammal on earth?

• blue whale

• great white shark

• hammerhead shark

• sea horse

Why are some ocean animals endangered?

• pollution and exotic animal trade

• hunting and gathering

• the ocean is disappearing

• hunting and pollution

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is the primary reason for the high pressure in the deep sea?

• The weight of the water above

• The salinity of the water

• The temperature of the water

• The movement of tectonic plates

Which adaptation helps deep-sea creatures survive in low-light conditions?

• Bioluminescence

• Thick fur

• Large lungs

• Bright colors

What is the main component of the oceanic crust?

• Basalt

• Granite

• Sandstone

• Limestone