| Term | Definition |
|---|
| 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 |
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