Unit One Introduction to Marine Invertebrates - the National Sea ...

SPONGE UP
Find a sponge. Touch it gently and leave it where it is. Can you find th
little holes letting water in and out?
DRIFTWOOD DRIFT
MARINE MAMMAL SIGNS
wood in the water as far
(If you can get them out
Do you see any signs that whales, walrus, seals, sea lions, sea otters or
polar bears live in the ocean by your beach? Which kind of marine mammal
do you think came by your beach most recently? What was it doing?
ROCK MYSTERY
Find a rock on the beach. Turn it over carefully. What’s
your hand there. How does it feel? Now put your hand on the sand next t
the rock. How does that feel? Do you know why some animals live
rocks? Now put the rock back carefully.
WIND WATCH
Which way is the wind blowing? Wet your finger and hold it up in the wind
to help you decide. What other signs can you use to tell which way the wind
is blowing?
DRIFTWOOD STORY
Find a piece of driftwood. Look closely at it and try to figure out where it
came from. How many sea creatures have watched this piece of wood going
by? Tell us a story about your piece of driftwood.
FISH FIND
Can you catch a little fish? If you can, tell what shape it is. Why is it that
articular shape? Put it in a container and watch it swim. How many fins
does it have? Does it open and close its mouth? How does it breathe?
(through its gills). Give a name to your fish. Then say goodbye and put it
tack
in its home.
SAND TRACKS
tracks in the sand. Who made them?
hen it made the tracks? Make some tracks of
can tell what you were doing from looking
What was the animal doing
your own and see if your
at your tracks.
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