The American Revolution
Under The Sea
Natural Disasters
Musical Instruments
Domestic Cats
100

Historian Edmund Morgan described this battle as "a great turning point of the war."

The Battle of Saratoga

100

Sea turtles are mainly tropical and subtropical, but this kind can be found in colder areas of the Atlantic and Pacific.

Leatherback Sea Turtle

100

This disaster is a rapidly rotating column of air that extends vertically from the surface of the Earth to the base of a cumulonimbus or cumulus cloud

Tornado

100

This instrument is a keyboard instrument that produces sound when its keys are depressed, activating an action mechanism where hammers strike strings.

Piano

100

Cats are known for spending considerable amounts of time doing this to their coats to keep them clean.

Licking

200

This battle was the final major land engagement of the American Revolution and officially ended the War in the East.

The Siege of Yorktown

200

This species of fish hatch in the shallow gravel beds of freshwater headstreams and spend their juvenile years in rivers.

Salmon

200

This disaster is the shaking of the Earth's surface resulting from a sudden release of energy in the lithosphere that creates seismic waves.

Earthquake

200

Nearly all of this brass instrument use a telescoping slide mechanism to alter the pitch instead of the valves used by other brass instruments

Trombones

200

Cats conserve energy by doing this more than most animals, especially as they grow older.

Sleeping

300

On the night before these battles, several riders, including Paul Revere, William Dawes and Samuel Prescott, warned area militias of the British plans.

The Battles of Lexington and Concord

300

These species of fish are nocturnal, obligate air-breathing animals, with poor vision complemented by electrolocation.

Electric eels

300

This major earthquake struck the coast of Northern California at 05:12 am Pacific Standard Time on Wednesday, April 18, 1906

The San Francisco Earthquake

300

This instrument was invented by Belgian instrument designer Adolphe Sax in the 1840s and patented in 1846.

Saxophone

300

Cats are ready to go to new homes at this age, when they are ready to leave their mother.

12 Weeks of age

400

This battle was a failed attempt to delay the British advance on Philadelphia during the American Revolution.

The Battle of the Clouds

400

This type of fish developed a symbiotic and mutually beneficial relationship with sea anemones, on which they rely for shelter and protection from predators.

Clownfish

400

The depth of this earthquake has not been determined, but it is thought to have occurred within the subducting Pacific plate under the Kantō region.

1894 Tokyo Earthquake

400

This instrument is typically cylindrical, with it's diameter usually greater than its depth.

Bass drum

400

The domestic cat is a member of this family, a family that has a common ancestor from about 10 to 15 million years ago

Felidae

500

This battle occurred ten months after Lord Cornwallis's surrender at Yorktown on a hill next to the Licking River.

The battle of Blue Licks

500

Because of their colourful appearance, this animal is named after a terrestrial flowering plant.

Sea Anemone

500

The year 1816 has this nickname because of severe climate abnormalities that caused average global temperatures to decrease by 0.4–0.7 °C.

The Year Without a Summer

500

the instrument enjoys a large solo repertoire with and without accompaniment, as well as numerous concerti.

Cello

500

When cats mate, the tomcat bites the scruff of the female's neck as she assumes a position conducive to mating known as this.

Lordosis Behavior

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