Powerpoint intro to tidal pools

Watch the world's biggest tides: Bay of Fundy

What is a tide?What is a tide?

Low tide

Low tide

High Tide

High Tide

Have you ever been to a tide Have you ever been to a tide pool?pool?

What is a tide pool?What is a tide pool?

Class: Brainstorm some things you might expect to see in Class: Brainstorm some things you might expect to see in a tide pool.a tide pool.

At a tide pool you would see…At a tide pool you would see…

The OceanThe Ocean

Sky/SunlightSky/Sunlight

Question: What ocean do you see in New Hampshire?Question: What ocean do you see in New Hampshire?

At a tide pool you would see…At a tide pool you would see…

A Rocky ShorelineA Rocky Shoreline

Pools of Water—tide pools!Pools of Water—tide pools!

Question: What would you smell? Hear? Feel? (Taste?)Question: What would you smell? Hear? Feel? (Taste?)

Question: What causes the tide to go in and out?Question: What causes the tide to go in and out?

you might only see the rocks when the tide is out.you might only see the rocks when the tide is out.

But not always…But not always…

At a tide pool you would hear…At a tide pool you would hear…

Crashing waves and moving waterCrashing waves and moving water

Team work: Discuss what you might need to do to survive Team work: Discuss what you might need to do to survive where waves crash all around you.where waves crash all around you.

At a tide pool you would discover…At a tide pool you would discover…

PlantsPlantsFun Fact: Plants in the ocean are only found in three colors: red, green and Fun Fact: Plants in the ocean are only found in three colors: red, green and

brown.brown.

Team work: Brainstorm different names for plants found Team work: Brainstorm different names for plants found in the ocean.in the ocean.

At a tide pool you would discover…At a tide pool you would discover…

AnimalsAnimalsFun Fact-Most animals living in the tide pool are invertebrates.Fun Fact-Most animals living in the tide pool are invertebrates.

Question/Team work: What is an invertebrate?Question/Team work: What is an invertebrate?

List some invertebrates you might find in a tide pool.List some invertebrates you might find in a tide pool.

Now you’ve seen, heard and Now you’ve seen, heard and discovered some things that define a discovered some things that define a

tide pool…tide pool…

Question: Which of these things are biotic (living) and Question: Which of these things are biotic (living) and which are abiotic (non-living)?which are abiotic (non-living)?

OceanOcean

Rocky ShoreRocky Shore

Pools of WaterPools of Water

Crashing Waves and TidesCrashing Waves and Tides

SunlightSunlight

Plants Plants

AnimalsAnimals

Would it be easy to live in a

tidepool?

What are some dangers, or

problems you might have?

What are some ways that

animals protect themselves?

Sea stars, sea urchins and

other echinoderms

have tube feet that act

like suction cups.

Why?

Sea stars have tough skin

and sea urchins have

sharp spines.

Why?

Sea star

sea urchin

Sea anemones belong to a group of animals called cnidaria

All cnidarians have stinging tentacles to stun prey that swims by.

Can you think of any other animals that live in the ocean that have stinging tentacles?

Lobsters and other arthropods have an exoskeleton.

What’s that?

lobster

crab

Snails and clams belong to a group of animals called mollusks. Most mollusks have a shell and a muscular

foot. Why?

Snail

shell

muscular foot

clam escapes a sea star-clam uses it’s muscular foot!

clam