A
B
C
D
E
F
G
100

Which tide is when the water has reached its highest point before it starts receding again?

high tide

100

Which tide is when the sun and moon are at right angles to the earth and pull in different directions?

neap tides

100

Name a mollusk

cowrie, conch, sea snail, oyster, clam, mussel, whelk

100

Which fish looks like a snake?

moray eel

100

Which fish has teeth that are fused together and are very strong?

parrotfish

100

What are seals called that have outer ears?

eared seals

100

What must all living things contain?

water

200

Which tide is when the water has reached its lowest before it starts rising again?

low tide

200

What is the most poisonous fish?

stonefish


200

What fish cleans larger fish without hurting them?

wrasse

200

Which fish looks like a cleaner fish but actually bites?

blenny

200

What are coral reefs made of?

polyp skeletons

200

What are seals called that have no outer ear?

true seals

200

The regions between low-tide and high-tide lines where most ocean plants and animals live are called what? 

intertidal zones

300

What kind of feet/arms do sea stars have?

tube feet

300

Name a crustacean

shrimp, lobster, crab

300

Where is the Great Barrier Reef located?

off the coast of Australia

300

What is the missing step of the water cycle?

Precipitation, ???, condensation

evaporation

300

What is a single shell invertebrate called?

univalve

300

What animal is clever enough to use tools?

sea otter

300

What are the highest high tides and the lowest low tides called?

spring tides

400

Which is a small crustacean that scavenges for food?

shrimp

400

Which carnivorous crustacean has two large pinchers?

lobster

400

Which invertebrate has two shells?

bivalve
400

Which animal produces pearls?

oysters

400

Which crustacean runs sideways? 

crab

400

What animal has very large tusks?

walrus

400

What are tiny floating plants and animals called?

plankton

500

What does pinniped mean?

wing footed animal

500

Where do walrus live?

near the north pole

500

Are whales warm or cold blooded?

warm

500

What is the largest of all pinnipeds?

elephant seal

500

What do sea mammals have to keep them warm?

blubber

500

Are whales born alive or do they hatch from an egg?

born alive

500

What two gases make up water?

hydrogen and oxygen

600

What is the largest of all flying birds?

wandering albatross

600

Where do most penguins live?

near the continent of Antarctica

600

What is the tallest penguin?

emperor penguin

600

What are aquifers?

underground places where water collects

600

How much of the earth’s surface is covered in ocean?

3/4

600

The smallest part of a substance that still has the quality of that substance is called a what?

molecule

600

What is the scientific abbreviation for water? 

H2O