plankton

tiny floating animals and plants in the ocean

diatomb

plant plankton with glassy skeletons

break rock and move beaches

what the sea's power can do

cliffs, arches and caves

what the waves crashing the coast can do

tsunamis

mountainous waves created by earthquakes

currents in the seas shift slightly

cause a change in the earth's climate

spring tides

created by the combined forces of the gravitational pulls of the sun and the moon

tides (systematic rise and fall of ocean water)

caused by the moon

reap tide

occurs when the sun and the moon are at right angles of the earth and pull on the ocean in opposite directions

Bay of Funday

place in Canada with some of the highest tides

bivalves

creatures with two matching shells joined by hinges that look like fans

plankton

bivalves eat this

crustacean

creature with a crust-like shell, segmented body and jointed legs

why do crustacean's molt?

it's the way they grow

wrasses

cleans parasites from the bodies of other fish

sea horse

swims upright

porcupine fish

can swell up larger than a basketball

stonefish

the most poisonous fish in the world

parrot-fish

makes a sleeping bag for itself

blennies

imitate the helpful wrasse

moray eel

looks like a snake

coral polyps

builds coral reefs

describe a coral polyp

an invertebrate whose hard, outer coverings form part of a coral reef

why are there no coral reefs in the Artic Ocean

There isn't much sun and it's not warmer than 65 degrees

mussell

hard, outside shell

shrimp

exoskeleton covers the body, have at least five pairs of legs, have a number of body segments, soft bodies

mussell

hard, outside shell, soft-bodied animals live inside a shell, some are bivalves and have a two-piece shell, smooth interior

How does the ocean become polluted

garbage, waste materials and harmful chemicals are dumped in streams and flow to the sea

What is one type of serious type of pollution?

oil spills

oceanographer

scientists who study the sea