Vocab
The area that is covered and uncovered by the water of tides
intertidal zone
True or False: Spring tides are named because they occur in spring
False - they happen twice every month
A habitat formed by the coastline and the tides
What is a tide pool?
What is the spray zone?
A sea star, or starfish lives in which zone?
Low intertidal zone
The rise and fall of ocean water at the beach
tides
This causes the tides to rise and fall
What is the gravitational pull from the moon? (also, the sun and rotation of the earth can affect tides)
This type of root holds sea plants in place even in strong tides
What is a holdfast?
This zone is almost always underwater, only uncovered at the lowest of tides
What is the low intertidal zone?
A periwinkle lives in which zone?
high intertidal zone?
The name for the invisible force that pulls or attracts things toward the center of earth, or to other physical bodies having mass
gravity
This type of tide occurs twice per day
semi-diurnal tides
One organism in tide pools with excellent grip
What is a barnacle?
This tide has the largest tidal range
What is Spring tide?
Which animal that is actually a colony of polyps living together did our book mention?
A sea pansy
When the sun and the moon are in line with the earth and working together to produce a higher than usual high tide
spring tide
What type of tide has a high tide and low tide once per day?
diurnal tides
This is the term for when humans try to make things that copy other things in nature (like barnacle glue)
What is biomimicry?
This zone is continually switching between being underwater and above water as tides go in and out
What is the intermediate zone?
What type of rock is sand sometimes made of?
quartz
What does Stella Maris mean in Latin?
Star of the Sea
This type of tide occurs twice per day, but the high tide mark changes each time
What is a mixed tide?
Is the salinity of tide pools always the same?
No - it changes when the water comes in and out.
This zone the second highest up on the beach. It is only covered with water at high tide.
What is the high intertidal zone?
What is syzygy?
When the sun and moon are positioned in line with the earth