Parts of Speech
Earth Science Vocabulary
100

This type of noun names a specific person, place, or thing and is always capitalized, like "Paris" or "Jeopardy!".

What is a proper noun?

100

This term refers to the day-to-day state of the atmosphere at a specific time and place, such as today's temperature or rainfall.

What is weather?

200

Words like "either/or," "neither/nor," and "not only/but also" that work in pairs to join grammatically equal elements are known as this type of conjunction.

What are correlative conjunctions?

200

Held in place by gravity, this blanket of gases surrounds a planet and protects life on Earth.

What is the atmosphere?

300

Words like "run," "jump," and "think" belong to this primary category of verbs that express physical or mental actions.

What are action verbs?

300

8Unlike daily weather, this measures the average atmospheric conditions in a region over a long period, typically 30 years or more. 

What is climate?

400

These two words are known as the indefinite articles in the English language.

What are "a" and "an"?

400

This process describes the continuous movement of water on, above, and below Earth's surface.

What is the hydrologic cycle?

500

"The cat sat under the wooden table," this word functions as the preposition showing a spatial relationship.  

What is "under"?

500

Earthquakes and mountain building are explained by this geological theory, which states Earth's outer crust is broken into giant moving slabs.

  • What is plate tectonics?


600

This famous mnemonic device helps you remember the seven coordinating conjunctions: For, And, Nor, But, Or, Yet, So.

What is FANBOYS?

600

This type of rock is created when molten lava cools and solidifies on Earth's surface or underground.

What is igneous rock?

700

In the phrase "She has completed her assignment," "has" serves as this type of verb that assists the main verb.

What is a helping verb?

700

Sandstone and limestone are examples of this rock type, which forms from compressed layers of deposited material.

What is sedimentary rock?

800

Adjectives answer questions like "How many?" "Which one?", and this question asks about qualities or characteristics.

What is "What kind"?

800

Existing rocks that undergo intense heat, pressure, or chemical alteration deep underground transform into this rock type.

What is metamorphic rock?

900

"She worked extremely hard today," this specific word is the adverb modifying another adverb ("hard").

What is "extremely"?

900

This term encompasses all the water on a planet, including oceans, rivers, glaciers, and groundwater.

What is the hydrosphere?

1000

Fast swimmers run fast," the word "fast" functions first as an adjective and second as this part of speech.

What is an adverb?

1000

This natural phenomenon occurs when atmospheric gases trap heat radiating from Earth's surface, keeping the planet warm enough to sustain life.

What is the greenhouse effect?