Marine Mammals & Polar Life
Fish & Coral Reefs
The Water Cycle
Tides & Ocean Facts
Invertebrates
100

This word means “wing-footed” and describes animals like seals and walruses.

What is a pinniped?

100

This is the most poisonous fish in the ocean.

What is a stonefish?

100

This step happens when water turns into vapor and rises into the air.

What is evaporation?

100

This tide occurs when the sun and moon are at right angles and tides are weaker.

What is a neap tide?

100

A mollusk with one shell is called this.

What is a univalve?

200

This thick layer of fat helps sea mammals stay warm in icy water.

What is blubber?

200

This fish cleans larger fish by eating parasites off their bodies.

What is a wrasse?

200

This step happens when water vapor cools and forms clouds.

What is condensation?

200

This tide has the highest high tides and the lowest low tides.

What is a spring tide?

200

A mollusk with two shells is called this.

What is a bivalve?

300

This is the largest of all pinnipeds.

What is the elephant seal?

300

This fish looks like a snake and hides in coral reefs.

What is a moray eel?

300

Rain, snow, or sleet falling from clouds is called this.

What is precipitation?

300

The area between the high-tide line and low-tide line is called this zone.

What is the intertidal zone?

300

This crustacean runs sideways.

What is a crab?

400

Most penguins live near this continent.

What is Antarctica?

400

The Great Barrier Reef is located off the coast of this country.

What is Australia?

400

This process begins the water cycle when the sun heats oceans and lakes.

What is evaporation?

400

The ocean covers about this fraction of Earth’s surface.

What is three-fourths (¾)?

400

This crustacean has two large pincers and is a carnivore.

What is a lobster?

500

This pinniped uses its tusks like a fifth leg to pull itself onto ice.

What is a walrus?

500

Coral reefs are made from the hard remains of tiny animals called these.

What are polyp skeletons?

500

This three-step system moves water continuously between Earth’s surface and the atmosphere.

What is the water cycle?

500

Underground areas where water collects and is stored are called these.

What are aquifers?

500

This mollusk is known for producing pearls.

What is an oyster?