Oceans
Landforms
Sound
4th grade science
4th Grade Science
100
This is the steep area where the ocean rapidly gets deeper.
What is the Continental Slope?
100
This is the vast, flat, open space of the deep ocean floor.
What is the abyssal plain?
100
This is the smallest ocean.
What is the Arctic Ocean?
100
This is what protects tide pool organisms at high tide.
What are crashing waves?
200
This term describes the saltiness of water. As this increases, so does water's density.
What is salinity?
200
This is the underwater border of each continent.
What is continental shelf?
200
These are the type of plankton that can make their own food.
What are phytoplankton or plant-like plankton?
200
This is the largest ocean.
What is the Pacific Ocean?
200
This is the home of animals like fish, jellyfish, dolphins, sharks, and coral. It is an ocean zone.
What is the near shore zone?
300
This is the steep area where the ocean rapidly gets deeper.
What is the continental slope?
300
Coral reefs provide this to many other organisms in the ocean.
What is a habitat or home?
300
A submersible allows scientists to research the ocean despite this increasing as depth increases.
What is water pressure?
300
This is the name of the tide that occurs at new and full moons and has exceptionally high and low tides.
What is a spring tide?
400
These are drifting, microscopic organisms.
What are plankton?
400
This feature is the deepest part of the ocean. It can be more than 11,000 meters deep.
What is a trench?
400
This is why plants do not grow in the deep ocean.
What does the lack of sunlight do in the deep ocean?
400
Divers require SCUBA equipment to protect them from these characteristics of the ocean.
What are temperature, lack of air, and light?
400
These are the moon phases that occur when the Earth experiences neap tides.
What are quarter moons?
500
This is why plants do not grow in the deep ocean.
What does the lack of sunlight do in the deep ocean?
500
These can emerge at plate boundaries and are called this when they rise above the ocean's surface.
What are islands?
500
In this ocean zone is where coral can be found.
What is the near-shore zone?
500
This is Earth's nickname.
What is the blue marble?
500
This is the name of a volcanic spot on the ocean floor where communities of shrimp, crabs, tubeworms, and slugs form.
What is a hydrothermal vent?
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