Waves
Tides
Currents
Conservation
Various/Other
100

The daily rise and fall of ocean levels along the shore.

What are tides?

100
The rise and fall in the level of the ocean along the shore is a
What is a tide
100

Large rivers of flowing seawater that move heat and other stuff around the globe.

What are ocean currents?

100

Plastic trash that breaks into tiny pieces, harming sea animals.

What is microplastic?

100

Ocean water is a. spring water b. brackish water c. fresh water d. salt water

What is salt water

200

The main celestial body that causes tides on Earth.

What is the moon?

200

The moon’s gravity pulls strongest on Earth’s oceans because water is this.

What is fluid?

200

Warm currents like the Gulf Stream start near this hot region near Earth’s middle.

What is the equator?

200

Protecting areas like coral reefs where marine life breeds and feeds.

What is a marine sanctuary?

200

The percentage of the Earth that is covered by the oceans.

What is ~70%?

300

This type of tide occurs when the sun and moon are aligned, causing the highest and lowest tides.

What is a spring tide?

300

When the moon is full or new, its gravity _____ with our sun's gravity.

What is combining?

300

Where is the Gulf Stream current located and how does it flow?

What is between America and Europe. It flows south to north.

300

Rising sea levels from this effect threaten coastal cities and habitats.

What is climate change?

300
A coral reef is.. a. a rock b. an underwater cave c. an ecosystem d. an ocean current
What is an ecosystem
400

The number of high tides and low tides that occur in most places each day.

What is two? or two each? meaning two high and two low 

400

If the moon vanished, tides would become weaker but not disappear because of this object.

What is the sun?

400
Which of the following does not create an ocean current? a. amount of nutrients b. wind patterns c. differences in salinity d. difference in temperature
What is amount of nutrients
400

Fishing too many fish, which makes it really hard for the poor fishes to recover.

What is overfishing?

400

This "eye" feature sits at the center of a hurricane, where skies are calm and clear.

What is the eye of the storm?

500

The term for the tide when the moon is at a right angle (perpendicular) to the sun, causing less extreme tides.

What is neap tide?

500

The moon’s tidal force slows Earth’s spin, making our days slightly longer by this tiny unit of time each century. (hint: a thousandth of)

What is a millisecond?

500

Deep currents are driven by differences in water temperature and this property (hint: "saltiness")

What is salinity?

500

Artificial reefs (made of old ships or concrete or other things) help restore this animal’s vanishing homes. (hint: this animal doesn't "move", and appears in many colors)

What is coral?

500
What happens to ocean water as the depth increases when it comes to temperature, pressure, light, salinity? (increases or decreases)
What is temperature decreases, pressure increases, light decreases, and salinity increases.
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